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GB2321985B - Slide rule - Google Patents

Slide rule

Info

Publication number
GB2321985B
GB2321985B GB9802309A GB9802309A GB2321985B GB 2321985 B GB2321985 B GB 2321985B GB 9802309 A GB9802309 A GB 9802309A GB 9802309 A GB9802309 A GB 9802309A GB 2321985 B GB2321985 B GB 2321985B
Authority
GB
United Kingdom
Prior art keywords
slide rule
rule
slide
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 - Fee Related
Application number
GB9802309A
Other versions
GB9802309D0 (en
GB2321985A (en
Inventor
Agamemnon Charal Hadjigeorgiou
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
Application filed by Individual filed Critical Individual
Publication of GB9802309D0 publication Critical patent/GB9802309D0/en
Publication of GB2321985A publication Critical patent/GB2321985A/en
Application granted granted Critical
Publication of GB2321985B publication Critical patent/GB2321985B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Drawing Aids And Blackboards (AREA)
GB9802309A 1997-02-05 1998-02-03 Slide rule Expired - Fee Related GB2321985B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9702343.6A GB9702343D0 (en) 1997-02-05 1997-02-05 Slide rule

Publications (3)

Publication Number Publication Date
GB9802309D0 GB9802309D0 (en) 1998-04-01
GB2321985A GB2321985A (en) 1998-08-12
GB2321985B true GB2321985B (en) 2001-09-05

Family

ID=10807126

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9702343.6A Pending GB9702343D0 (en) 1997-02-05 1997-02-05 Slide rule
GB9802309A Expired - Fee Related GB2321985B (en) 1997-02-05 1998-02-03 Slide rule

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9702343.6A Pending GB9702343D0 (en) 1997-02-05 1997-02-05 Slide rule

Country Status (2)

Country Link
CY (1) CY2244B1 (en)
GB (2) GB9702343D0 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB318150A (en) * 1928-08-28 1930-06-26 Fernand Joseph Bourgeois Toy slide rule
GB706807A (en) * 1951-11-21 1954-04-07 Skolmaterieldistrib A B Improvements in devices for illustrating and teaching the elementary technic of calculating
GB1113256A (en) * 1966-02-04 1968-05-08 Rhone Poulenc Sa Slide rule
US3790074A (en) * 1973-04-12 1974-02-05 R Zemanek Universal unit-converting slide rule
US4292507A (en) * 1976-10-28 1981-09-29 Hovorka J Warren Football statistic pegboard
WO1995025993A1 (en) * 1994-03-21 1995-09-28 Seleburni Sas Acid-base equilibrium slide-rule

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB318150A (en) * 1928-08-28 1930-06-26 Fernand Joseph Bourgeois Toy slide rule
GB706807A (en) * 1951-11-21 1954-04-07 Skolmaterieldistrib A B Improvements in devices for illustrating and teaching the elementary technic of calculating
GB1113256A (en) * 1966-02-04 1968-05-08 Rhone Poulenc Sa Slide rule
US3790074A (en) * 1973-04-12 1974-02-05 R Zemanek Universal unit-converting slide rule
US4292507A (en) * 1976-10-28 1981-09-29 Hovorka J Warren Football statistic pegboard
WO1995025993A1 (en) * 1994-03-21 1995-09-28 Seleburni Sas Acid-base equilibrium slide-rule

Also Published As

Publication number Publication date
GB9702343D0 (en) 1997-03-26
CY2244B1 (en) 2003-07-04
GB9802309D0 (en) 1998-04-01
GB2321985A (en) 1998-08-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090203