GB2270789B - Educational aid - Google Patents

Educational aid

Info

Publication number
GB2270789B
GB2270789B GB9310287A GB9310287A GB2270789B GB 2270789 B GB2270789 B GB 2270789B GB 9310287 A GB9310287 A GB 9310287A GB 9310287 A GB9310287 A GB 9310287A GB 2270789 B GB2270789 B GB 2270789B
Authority
GB
United Kingdom
Prior art keywords
educational aid
educational
aid
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
GB9310287A
Other versions
GB9310287D0 (en
GB2270789A (en
Inventor
Anthony Donald Birkby
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 GB929219761A external-priority patent/GB9219761D0/en
Application filed by Individual filed Critical Individual
Priority to GB9310287A priority Critical patent/GB2270789B/en
Publication of GB9310287D0 publication Critical patent/GB9310287D0/en
Publication of GB2270789A publication Critical patent/GB2270789A/en
Application granted granted Critical
Publication of GB2270789B publication Critical patent/GB2270789B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C1/00—Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacuses or pocket adding devices
    • 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
GB9310287A 1992-09-18 1993-05-19 Educational aid Expired - Fee Related GB2270789B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9310287A GB2270789B (en) 1992-09-18 1993-05-19 Educational aid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929219761A GB9219761D0 (en) 1992-09-18 1992-09-18 Tabacus
GB9310287A GB2270789B (en) 1992-09-18 1993-05-19 Educational aid

Publications (3)

Publication Number Publication Date
GB9310287D0 GB9310287D0 (en) 1993-06-30
GB2270789A GB2270789A (en) 1994-03-23
GB2270789B true GB2270789B (en) 1996-02-07

Family

ID=26301646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9310287A Expired - Fee Related GB2270789B (en) 1992-09-18 1993-05-19 Educational aid

Country Status (1)

Country Link
GB (1) GB2270789B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5769639A (en) * 1994-04-19 1998-06-23 Foster; Anne Multi-educational device
US6375468B1 (en) 2000-07-24 2002-04-23 Kalyani Sundararajan Educational tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221059A (en) * 1967-12-16 1971-02-03 Philograph Publications Improvements in or relating to didactic apparatus
US4335300A (en) * 1980-08-27 1982-06-15 Shepherd William C Diet control apparatus and method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1221059A (en) * 1967-12-16 1971-02-03 Philograph Publications Improvements in or relating to didactic apparatus
US4335300A (en) * 1980-08-27 1982-06-15 Shepherd William C Diet control apparatus and method

Also Published As

Publication number Publication date
GB9310287D0 (en) 1993-06-30
GB2270789A (en) 1994-03-23

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Legal Events

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

Effective date: 19990519