FR45467E - Student abacus - Google Patents

Student abacus

Info

Publication number
FR45467E
FR45467E FR45467DA FR45467E FR 45467 E FR45467 E FR 45467E FR 45467D A FR45467D A FR 45467DA FR 45467 E FR45467 E FR 45467E
Authority
FR
France
Prior art keywords
abacus
student
student abacus
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
Other languages
French (fr)
Inventor
Claude Gillot
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 filed Critical
Application granted granted Critical
Publication of FR45467E publication Critical patent/FR45467E/en
Expired 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)
FR45467D 1934-11-17 1934-11-17 Student abacus Expired FR45467E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR45467T 1934-11-17

Publications (1)

Publication Number Publication Date
FR45467E true FR45467E (en) 1935-09-12

Family

ID=8681205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45467D Expired FR45467E (en) 1934-11-17 1934-11-17 Student abacus

Country Status (1)

Country Link
FR (1) FR45467E (en)

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