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GB1486210A - Cuvette assembly for use in automatic reading and recording of reaction results - Google Patents

Cuvette assembly for use in automatic reading and recording of reaction results

Info

Publication number
GB1486210A
GB1486210A GB46540/74A GB4654074A GB1486210A GB 1486210 A GB1486210 A GB 1486210A GB 46540/74 A GB46540/74 A GB 46540/74A GB 4654074 A GB4654074 A GB 4654074A GB 1486210 A GB1486210 A GB 1486210A
Authority
GB
United Kingdom
Prior art keywords
assembly
recording
cuvettes
reaction results
automatic reading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB46540/74A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI3532/73A external-priority patent/FI353273A7/fi
Priority claimed from FI1046/74A external-priority patent/FI57665C/en
Priority claimed from FI2083/74A external-priority patent/FI55093C/en
Application filed by Individual filed Critical Individual
Publication of GB1486210A publication Critical patent/GB1486210A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5085—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates
    • B01L3/50853—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above for multiple samples, e.g. microtitration plates with covers or lids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L7/00—Heating or cooling apparatus; Heat insulating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof
    • G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/04—Closures and closing means
    • B01L2300/041—Connecting closures to device or container
    • B01L2300/042—Caps; Plugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/04—Closures and closing means
    • B01L2300/046—Function or devices integrated in the closure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/06—Auxiliary integrated devices, integrated components
    • B01L2300/0627—Sensor or part of a sensor is integrated
    • B01L2300/0654—Lenses; Optical fibres

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Measuring Cells (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

1486210 Cuvette assemblies OA SUOVANIEMI 28 Oct 1974 [14 Nov 1973 5 April 1974 5 July 1974] 46540/74 Heading G2J A cuvette assembly has a plurality of individual cuvettes which are connected at their upper ends and which each have a light transmissive window at the lower end; each window is protected by a sleevelike projection. The inner and outer surfaces of the windows may be plane, convex or concave. The cuvettes may have a conical lower portion as in Fig. 9, with vertical mixing bars 24 on the inner surface. The cuvettes may be connected by a plate 17, Fig. 5, and the assembly 16 may be placed in a stand 15 for analysis, pins 28 ensuring correct orientation. A cap may be provided for the assembly.
GB46540/74A 1973-11-14 1974-10-28 Cuvette assembly for use in automatic reading and recording of reaction results Expired GB1486210A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI3532/73A FI353273A7 (en) 1973-11-14 1973-11-14
FI1046/74A FI57665C (en) 1974-04-05 1974-04-05 KUVETTENHET
FI2083/74A FI55093C (en) 1974-07-05 1974-07-05 FOERFARANDE FOER EXAKT MAETNING AV ABSORPTION AV SMAO VAETSKEMAENGDER SAMT ANORDNING FOER DESS GENOMFOERANDE

Publications (1)

Publication Number Publication Date
GB1486210A true GB1486210A (en) 1977-09-21

Family

ID=27240859

Family Applications (2)

Application Number Title Priority Date Filing Date
GB46540/74A Expired GB1486210A (en) 1973-11-14 1974-10-28 Cuvette assembly for use in automatic reading and recording of reaction results
GB2921/75A Expired GB1499414A (en) 1973-11-14 1975-01-23 Method and apparatus for accurate pipetting of small liquid volumes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2921/75A Expired GB1499414A (en) 1973-11-14 1975-01-23 Method and apparatus for accurate pipetting of small liquid volumes

Country Status (11)

Country Link
JP (1) JPS5912982B2 (en)
CA (1) CA1031183A (en)
CH (3) CH590472A5 (en)
DE (3) DE2451769C2 (en)
DK (1) DK591774A (en)
FR (3) FR2250991B1 (en)
GB (2) GB1486210A (en)
IT (1) IT1024813B (en)
NL (3) NL7414782A (en)
NO (1) NO744080L (en)
SE (1) SE7413810L (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290997A (en) 1978-02-28 1981-09-22 Kommandiittiyhtio Finnpipette Osmo A. Suovaniemi Apparatus for automatic measurement of the results of agglutination tests
EP0147124A3 (en) * 1983-12-22 1986-05-07 Labsystems Oy Set of cuvettes
US4824791A (en) * 1985-07-10 1989-04-25 Labsystems Oy Thermostated cuvette set
EP1102057A1 (en) * 1999-11-17 2001-05-23 EG & G Perkin Elmer Ltd. Sample holder for use in spectroscopic analysis
WO2001065235A1 (en) 2000-03-03 2001-09-07 Thermo Labsystems Oy Method and apparatus for measuring the light absorbance of a sample and an insert to be placed within the sample
WO2002087763A1 (en) * 2001-04-25 2002-11-07 Medical Research Council Simple plate cover and method of use therefor
WO2004072652A1 (en) * 2003-02-14 2004-08-26 Thermo Electron Oy Automated sample analyzer and cuvette
US6814934B1 (en) 1991-05-02 2004-11-09 Russell Gene Higuchi Instrument for monitoring nucleic acid amplification
US7182912B2 (en) 1991-03-04 2007-02-27 Bayer Corporation Fluid handling apparatus for an automated analyzer
EP2255172A4 (en) * 2008-02-29 2011-03-16 Starna Cells Inc APPARATUS AND METHOD FOR ADAPTING CLASSIC CUVETTES FOR USE IN A VERTICAL LIGHT BEAM SPECTROPHOTOMETER
US8115922B2 (en) 2008-02-29 2012-02-14 Starna Cells, Inc. Apparatus and method for adapting conventional cuvettes for use in a vertical light beam spectrophotometer
US8355132B2 (en) 2007-04-06 2013-01-15 Qiagen Gaithersburg, Inc. Sample adequacy measurement system having a plurality of sample tubes and using turbidity light scattering techniques
US8877507B2 (en) 2007-04-06 2014-11-04 Qiagen Gaithersburg, Inc. Ensuring sample adequacy using turbidity light scattering techniques
AT510898B1 (en) * 2007-12-21 2014-11-15 Medizinische Universität Graz MENISKUS EQUILIBRATION SYSTEM FOR A MICROTITER PLATE
US9476895B2 (en) 2007-04-06 2016-10-25 Becton, Dickinson And Company Open platform automated sample processing system

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1486210A (en) * 1973-11-14 1977-09-21 Suovaniemi Osmo Antero Cuvette assembly for use in automatic reading and recording of reaction results
US4011048A (en) * 1976-06-17 1977-03-08 Micromedic Systems, Inc. Incubation apparatus
LU77642A1 (en) * 1976-07-09 1977-10-03
FR2379809A2 (en) * 1977-02-02 1978-09-01 Dev Automatisme Biolog Testing liq. microsamples esp. blood with various reagents - with multiple reagent syringes operating simultaneously to load and discharge
JPS5812550B2 (en) * 1977-10-05 1983-03-09 工業技術院長 Multi-sample multi-item automatic chemical analyzer
FR2417093A1 (en) * 1978-02-09 1979-09-07 Dev Automatisme Biolog Simultaneous transfer of several liq. doses - is effected by syringes with pistons attached to motor driven plate
DE2839131A1 (en) * 1978-09-08 1980-03-20 Suovaniemi Finnpipette Fluid soln. colour intensity or opacity measurement - by passing light beam through samples and determining extinction region
US4240751A (en) 1978-11-09 1980-12-23 Akzona Incorporated Method and apparatus for specific binding substances
FI790692A7 (en) * 1979-03-01 1980-09-02 Suovaniemi Finnpipette MICROCUVETTES
JPS55136958A (en) * 1979-04-14 1980-10-25 Olympus Optical Co Ltd Automatic analyzer
EP0030148A1 (en) * 1979-11-28 1981-06-10 Portalab Instruments Limited Portable photometer
DE3160292D1 (en) 1980-04-23 1983-07-07 Contraves Ag Canula with sensing means
WO1982000354A1 (en) * 1980-07-24 1982-02-04 Oy Labsystems Method and apparatus for the measurement of the properties of an agglutination
WO1982000356A1 (en) * 1980-07-24 1982-02-04 Oy Labsystems Analyzer
EP0056821A1 (en) * 1980-07-24 1982-08-04 Labsystems Oy Method of measurement and a cuvette
WO1982000359A1 (en) * 1980-07-24 1982-02-04 Oy Labsystems Set of cuvettes
WO1982000357A1 (en) * 1980-07-24 1982-02-04 Oy Labsystems Method and apparatus for the measurement of the properties of an agglutination
JPS5733592A (en) * 1980-08-01 1982-02-23 Fujisawa Pharmaceut Co Ltd Equipment for identifying bacteria
FR2488407B1 (en) * 1980-08-11 1984-01-13 Inst Nat Sante Rech Med OPTICAL MEASUREMENT METHOD IN VARIABLE OPTICAL PATH AND DEVICE FOR IMPLEMENTING THE METHOD
JPS5770459A (en) * 1980-10-22 1982-04-30 Toshiba Corp Cell cassette
FI812933A7 (en) * 1981-09-21 1983-03-22 Eflab Oy A device for measuring fluorescence.
JPS5891165U (en) * 1981-12-15 1983-06-20 オリンパス光学工業株式会社 Particle aggregation determination container
FI64862C (en) * 1982-02-05 1984-01-10 Kone Oy REQUIREMENTS FOR PHOTOMETRIC MAINTENANCE OF THE REQUIREMENTS AND REACTIONS
JPS5970946A (en) * 1982-10-15 1984-04-21 Toshiba Corp Apparatus for measuring absorbance
FI831936A0 (en) * 1983-05-30 1983-05-30 Labsystems Oy FLUORESCENS, TURBIDITY, LUMINESCENS ELLER ABSORPTION
FI833077A0 (en) * 1983-08-30 1983-08-30 Labsystems Oy MED EN VAETSKEDOSERARE FOERSEDD MAETNINGSANORDNING
DE3336738A1 (en) * 1983-10-08 1985-05-02 Wolfgang Dr. 7400 Tübingen Heizmann TITER PLATE
FR2567538B1 (en) * 1984-07-12 1986-12-26 Inst Nat Sante Rech Med AUTOMATON FOR THE ANALYSIS AND CLONING OF CELL CULTURES AND FOR BACTERIOLOGICAL ANALYSIS
DD239473A1 (en) * 1985-07-01 1986-09-24 Zeiss Jena Veb Carl SAMPLE SUPPLIER FOR DISCRETE ANALYSIS OF LIQUID ANALYSIS ASSAYS
JPS6188158A (en) * 1985-09-03 1986-05-06 Olympus Optical Co Ltd Automatic analysis instrument
US4675163A (en) * 1986-03-25 1987-06-23 Mybeck Jessica F Laboratory device
US4824642A (en) * 1986-10-21 1989-04-25 Costar Corporation Multi-channel pipetter
US4828386A (en) * 1987-06-19 1989-05-09 Pall Corporation Multiwell plates containing membrane inserts
DE3734588A1 (en) * 1987-10-13 1989-04-27 Schmidt Werner Dr Rer Nat Habi Recording photometer of high adaptability
FR2630928B1 (en) * 1988-05-03 1991-09-06 Rhone Poulenc Chimie APPARATUS FOR SUPPORTING AND HEATING REACTION, TREATMENT OR ANALYSIS CONTAINERS OF VARIOUS PRODUCTS
DE8813340U1 (en) * 1988-10-24 1988-12-08 Laboratorium Prof. Dr. Rudolf Berthold, 7547 Wildbad Sample rack for sample vessels
US5048957A (en) * 1989-07-11 1991-09-17 Fritz Berthold Speciman rack with insertable cuvettes
ES2069802T3 (en) * 1991-01-26 1995-05-16 Behringwerke Ag PIPETTING TUBE WITH ADJUSTABLE HEATING.
DE4102336A1 (en) * 1991-01-26 1992-08-06 Behringwerke Ag Pipette assembly with temp. controlled pipette tubes - is composed of a heat conducting Peltier element, etc.;used to rapidly cool and heat fluid
EP0542422A1 (en) * 1991-11-12 1993-05-19 General Atomics Multi-well microtiter plate
DE9204388U1 (en) 1992-03-31 1992-06-25 Jenoptron Gesellschaft für Optoelektronik und Handling mbH, O-6905 Göschwitz Sealing arrangement
DE4405375C2 (en) * 1994-02-19 1996-07-25 Fritz Nerbe Nachfolger Juergen Microtiter plate
DE4429383A1 (en) * 1994-08-12 1996-02-15 Europhoton Gmbh Ges Fuer Optis Time and space-resolved fluorescence and scattered light measurement
EP0722136A2 (en) * 1995-01-12 1996-07-17 Joachim Schulz Thermostatised shaker
DE29505897U1 (en) * 1995-01-12 1995-08-24 Schulz, Joachim, Dipl.-Ing., 06484 Quedlinburg Thermal shaker
DE19521947C1 (en) * 1995-06-16 1996-08-22 Medipro Medizinische Diagnosti Vibrating water bath assembly with at least two individually temp.-controlled positions
DE19906264C1 (en) 1999-02-15 2000-07-06 Fraunhofer Ges Forschung Differential spectroscopic or fluorimetric determination of interactions in solution, is carried out using quantitatively-prepared reference and mixed solutions in microtitration plate with special cover
DE19907011A1 (en) 1999-02-18 2000-08-31 Deutsches Krebsforsch Fluorescence correlation spectroscopy device and method, in particular for multicolor fluorescence correlation spectroscopy
DE19916748A1 (en) * 1999-04-14 2000-10-19 Zeiss Carl Jena Gmbh Fluorescence reaction analysis unit, comprises a transparent container with an adjustable cover that has at least one opening.
DE10157664A1 (en) * 2001-11-24 2003-06-05 Stefan Kuerschner Sample withdrawal device has piston-cylinder unit, in which cylinder is connected to vessel via liquid-guiding fitting with switchable outlet, and piston can be adjusted to receive sample
DE10324397A1 (en) * 2003-05-28 2005-01-20 Hte Ag The High Throughput Experimentation Company Modular sample holder, to hold and prepare samples for analysis, has a module with sample holders held in a second module in turn held in a third module
DE102004020591A1 (en) * 2004-04-27 2005-11-17 Carl Zeiss Jena Gmbh measuring device
DE102006044324A1 (en) * 2006-09-18 2008-03-27 Labor L + S Aktiengesellschaft Method for the photometric measurement of a liquid sample contained in sample container, comprises irradiating liquid sample during the measurement with a photometric measuring beam and detecting its absorption
JP2010509577A (en) * 2006-11-09 2010-03-25 ナノアイデント テクノロジーズ アクチェンゲゼルシャフト Titer plate with thin film photosensor
ATE534467T1 (en) 2007-10-01 2011-12-15 Tecan Trading Ag MICROCUVETTE ARRANGEMENT AND USE THEREOF
JP2014077665A (en) * 2012-10-09 2014-05-01 Aoi Seiki Kk Container for sample fractionation
KR101562318B1 (en) 2014-02-10 2015-10-22 나노바이오시스 주식회사 Microfluidic chip and real-time analyzing apparatus using the same
KR101696259B1 (en) * 2014-07-23 2017-01-13 나노바이오시스 주식회사 Multiplex pcr chip and multiplex pcr device comprising the same
CN115870029A (en) * 2022-12-30 2023-03-31 深圳市亚辉龙生物科技股份有限公司 Position adjusting device and pipetting apparatus

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US3190731A (en) * 1961-03-08 1965-06-22 Technicon Instr Sample-supply cups for analysis apparatus
US3540858A (en) * 1968-01-22 1970-11-17 Beckman Instruments Inc Sample holder with filter means
FR1562948A (en) * 1968-01-23 1969-04-11
DE1988396U (en) * 1968-04-18 1968-06-27 Siemens Ag SAMPLE TUBES FOR TAKING UP BODY FLUIDS.
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GB1322728A (en) * 1969-11-05 1973-07-11 Smith Kline French Lab Mixing and measuring container for spectrophotometric analyzing apparatus
US3680967A (en) * 1970-09-14 1972-08-01 Technicon Instr Self-locating sample receptacle having integral identification label
US3781120A (en) * 1970-09-14 1973-12-25 Technicon Instr Self-locating sample receptacle having integral identification label
GB1486210A (en) * 1973-11-14 1977-09-21 Suovaniemi Osmo Antero Cuvette assembly for use in automatic reading and recording of reaction results

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290997A (en) 1978-02-28 1981-09-22 Kommandiittiyhtio Finnpipette Osmo A. Suovaniemi Apparatus for automatic measurement of the results of agglutination tests
EP0147124A3 (en) * 1983-12-22 1986-05-07 Labsystems Oy Set of cuvettes
US4824791A (en) * 1985-07-10 1989-04-25 Labsystems Oy Thermostated cuvette set
US7182912B2 (en) 1991-03-04 2007-02-27 Bayer Corporation Fluid handling apparatus for an automated analyzer
US6814934B1 (en) 1991-05-02 2004-11-09 Russell Gene Higuchi Instrument for monitoring nucleic acid amplification
EP1102057A1 (en) * 1999-11-17 2001-05-23 EG & G Perkin Elmer Ltd. Sample holder for use in spectroscopic analysis
WO2001065235A1 (en) 2000-03-03 2001-09-07 Thermo Labsystems Oy Method and apparatus for measuring the light absorbance of a sample and an insert to be placed within the sample
US6665073B2 (en) 2000-03-03 2003-12-16 Thermo Labsystems Oy Absorbance measurement
WO2002087763A1 (en) * 2001-04-25 2002-11-07 Medical Research Council Simple plate cover and method of use therefor
WO2004072652A1 (en) * 2003-02-14 2004-08-26 Thermo Electron Oy Automated sample analyzer and cuvette
US8355132B2 (en) 2007-04-06 2013-01-15 Qiagen Gaithersburg, Inc. Sample adequacy measurement system having a plurality of sample tubes and using turbidity light scattering techniques
US8877507B2 (en) 2007-04-06 2014-11-04 Qiagen Gaithersburg, Inc. Ensuring sample adequacy using turbidity light scattering techniques
US9476895B2 (en) 2007-04-06 2016-10-25 Becton, Dickinson And Company Open platform automated sample processing system
AT510898B1 (en) * 2007-12-21 2014-11-15 Medizinische Universität Graz MENISKUS EQUILIBRATION SYSTEM FOR A MICROTITER PLATE
EP2255172A4 (en) * 2008-02-29 2011-03-16 Starna Cells Inc APPARATUS AND METHOD FOR ADAPTING CLASSIC CUVETTES FOR USE IN A VERTICAL LIGHT BEAM SPECTROPHOTOMETER
US8115922B2 (en) 2008-02-29 2012-02-14 Starna Cells, Inc. Apparatus and method for adapting conventional cuvettes for use in a vertical light beam spectrophotometer

Also Published As

Publication number Publication date
JPS5912982B2 (en) 1984-03-27
NL7502918A (en) 1976-01-07
NL8105126A (en) 1982-03-01
FR2250991A1 (en) 1975-06-06
JPS5089092A (en) 1975-07-17
IT1024813B (en) 1978-07-20
NO744080L (en) 1975-06-09
DE2463113C2 (en) 1985-06-27
FR2277341B3 (en) 1978-07-21
FR2250991B1 (en) 1978-09-29
FR2277341A1 (en) 1976-01-30
AU7516274A (en) 1976-05-13
CH590472A5 (en) 1977-08-15
DE2451769A1 (en) 1975-05-15
AU7792975A (en) 1976-08-05
CA1031183A (en) 1978-05-16
DK591774A (en) 1975-07-14
NL7414782A (en) 1975-05-16
DE2504269C2 (en) 1988-10-20
GB1499414A (en) 1978-02-01
FR2363098B1 (en) 1980-04-18
CH585400A5 (en) 1977-02-28
SE7413810L (en) 1975-05-15
DE2504269A1 (en) 1976-01-22
DE2451769C2 (en) 1985-07-04
CH590085A5 (en) 1977-07-29
FR2363098A1 (en) 1978-03-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921028