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GB970839A - Marker - Google Patents

Marker

Info

Publication number
GB970839A
GB970839A GB2406363A GB2406363A GB970839A GB 970839 A GB970839 A GB 970839A GB 2406363 A GB2406363 A GB 2406363A GB 2406363 A GB2406363 A GB 2406363A GB 970839 A GB970839 A GB 970839A
Authority
GB
United Kingdom
Prior art keywords
paper
stick
held
field
aircraft
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
GB2406363A
Inventor
William Spencer Bowker
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.)
FARM AVIAT Ltd
Original Assignee
FARM AVIAT Ltd
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 FARM AVIAT Ltd filed Critical FARM AVIAT Ltd
Priority to GB2406363A priority Critical patent/GB970839A/en
Publication of GB970839A publication Critical patent/GB970839A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/002—Distress signalling devices, e.g. rescue balloons

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Catching Or Destruction (AREA)
  • Guiding Agricultural Machines (AREA)

Abstract

970,839. Scattering materials from aircraft. FARM AVIATION Ltd. June 17, 1963, No. 24063/63. Heading A1D. [Also in Division G5] A marker used to mark out a field to guide crop spraying aircraft comprises a sheet of coloured paper 1 bent and held in a three dimensional shape by a stick 2 which is stuck in the ground. The paper 1 may be coated with fluorescent paint and has holes 3 . . . 6 by which it is held in cylindrical shape. The paper may be rotated on the stick by the wind. Colour sequences may be employed in marking a field.
GB2406363A 1963-06-17 1963-06-17 Marker Expired GB970839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2406363A GB970839A (en) 1963-06-17 1963-06-17 Marker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2406363A GB970839A (en) 1963-06-17 1963-06-17 Marker

Publications (1)

Publication Number Publication Date
GB970839A true GB970839A (en) 1964-09-23

Family

ID=10205779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2406363A Expired GB970839A (en) 1963-06-17 1963-06-17 Marker

Country Status (1)

Country Link
GB (1) GB970839A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329801A (en) * 1979-03-28 1982-05-18 Clausen Poul J Timetable holder to be placed on a post at a bus or street car stop
USD328442S (en) 1990-01-29 1992-08-04 Elliott Sloan Obstacle marker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329801A (en) * 1979-03-28 1982-05-18 Clausen Poul J Timetable holder to be placed on a post at a bus or street car stop
USD328442S (en) 1990-01-29 1992-08-04 Elliott Sloan Obstacle marker

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