FR2268320B1 - - Google Patents

Info

Publication number
FR2268320B1
FR2268320B1 FR7413966A FR7413966A FR2268320B1 FR 2268320 B1 FR2268320 B1 FR 2268320B1 FR 7413966 A FR7413966 A FR 7413966A FR 7413966 A FR7413966 A FR 7413966A FR 2268320 B1 FR2268320 B1 FR 2268320B1
Authority
FR
France
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
FR7413966A
Other languages
French (fr)
Other versions
FR2268320A1 (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.)
DAROLLES FERNAND
Original Assignee
DAROLLES FERNAND
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 DAROLLES FERNAND filed Critical DAROLLES FERNAND
Priority to FR7413966A priority Critical patent/FR2268320A1/en
Publication of FR2268320A1 publication Critical patent/FR2268320A1/en
Application granted granted Critical
Publication of FR2268320B1 publication Critical patent/FR2268320B1/fr
Granted 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
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7413966A 1974-04-16 1974-04-16 Mathematical concept visualisation device - has connection devices grouping array of units on flat base Granted FR2268320A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7413966A FR2268320A1 (en) 1974-04-16 1974-04-16 Mathematical concept visualisation device - has connection devices grouping array of units on flat base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7413966A FR2268320A1 (en) 1974-04-16 1974-04-16 Mathematical concept visualisation device - has connection devices grouping array of units on flat base

Publications (2)

Publication Number Publication Date
FR2268320A1 FR2268320A1 (en) 1975-11-14
FR2268320B1 true FR2268320B1 (en) 1979-01-26

Family

ID=9137953

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413966A Granted FR2268320A1 (en) 1974-04-16 1974-04-16 Mathematical concept visualisation device - has connection devices grouping array of units on flat base

Country Status (1)

Country Link
FR (1) FR2268320A1 (en)

Also Published As

Publication number Publication date
FR2268320A1 (en) 1975-11-14

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Legal Events

Date Code Title Description
ST Notification of lapse