FR680242A - Perpetual calendar - Google Patents

Perpetual calendar

Info

Publication number
FR680242A
FR680242A FR680242DA FR680242A FR 680242 A FR680242 A FR 680242A FR 680242D A FR680242D A FR 680242DA FR 680242 A FR680242 A FR 680242A
Authority
FR
France
Prior art keywords
perpetual calendar
perpetual
calendar
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
Robert Mathieu
Marcel Mathieu
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 FR680242A publication Critical patent/FR680242A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
    • G09D3/00—Perpetual calendars
    • G09D3/02—Perpetual calendars with interchangeable members bearing the indicia

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR680242D 1929-08-13 1929-08-13 Perpetual calendar Expired FR680242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR680242T 1929-08-13

Publications (1)

Publication Number Publication Date
FR680242A true FR680242A (en) 1930-04-26

Family

ID=9022144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR680242D Expired FR680242A (en) 1929-08-13 1929-08-13 Perpetual calendar

Country Status (1)

Country Link
FR (1) FR680242A (en)

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