GB8919109D0 - Chart checker - Google Patents

Chart checker

Info

Publication number
GB8919109D0
GB8919109D0 GB898919109A GB8919109A GB8919109D0 GB 8919109 D0 GB8919109 D0 GB 8919109D0 GB 898919109 A GB898919109 A GB 898919109A GB 8919109 A GB8919109 A GB 8919109A GB 8919109 D0 GB8919109 D0 GB 8919109D0
Authority
GB
United Kingdom
Prior art keywords
checker
chart
chart checker
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.)
Withdrawn
Application number
GB898919109A
Other versions
GB2235329A (en
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.)
Donovan Jean M O
Original Assignee
Donovan Jean M O
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 Donovan Jean M O filed Critical Donovan Jean M O
Priority to GB8919109A priority Critical patent/GB2235329A/en
Publication of GB8919109D0 publication Critical patent/GB8919109D0/en
Publication of GB2235329A publication Critical patent/GB2235329A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G09B17/00—Teaching reading
    • G09B17/02—Line indicators or other guides or masks
    • 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
    • G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
    • G09B29/10—Map spot or coordinate position indicators; Map reading aids

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB8919109A 1989-08-22 1989-08-22 Chart reading aid Withdrawn GB2235329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8919109A GB2235329A (en) 1989-08-22 1989-08-22 Chart reading aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8919109A GB2235329A (en) 1989-08-22 1989-08-22 Chart reading aid

Publications (2)

Publication Number Publication Date
GB8919109D0 true GB8919109D0 (en) 1989-10-04
GB2235329A GB2235329A (en) 1991-02-27

Family

ID=10661971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8919109A Withdrawn GB2235329A (en) 1989-08-22 1989-08-22 Chart reading aid

Country Status (1)

Country Link
GB (1) GB2235329A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1042523A (en) * 1912-03-11 1912-10-29 Hiram Barber Draft device.
GB1460850A (en) * 1974-03-05 1977-01-06 Hunter C B Navigational aids
GB2140677A (en) * 1983-06-01 1984-12-05 Alan John Robertson Stand with line marker

Also Published As

Publication number Publication date
GB2235329A (en) 1991-02-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)