NL8102421A - Calendar with frame and annual card - incorporates table for four hundred years with datum numbers - Google Patents

Calendar with frame and annual card - incorporates table for four hundred years with datum numbers Download PDF

Info

Publication number
NL8102421A
NL8102421A NL8102421A NL8102421A NL8102421A NL 8102421 A NL8102421 A NL 8102421A NL 8102421 A NL8102421 A NL 8102421A NL 8102421 A NL8102421 A NL 8102421A NL 8102421 A NL8102421 A NL 8102421A
Authority
NL
Netherlands
Prior art keywords
calendar
frame
numbers
card
datum
Prior art date
Application number
NL8102421A
Other languages
Dutch (nl)
Original Assignee
Drs Willem Van Gilst Prof
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 Drs Willem Van Gilst Prof filed Critical Drs Willem Van Gilst Prof
Priority to NL8102421A priority Critical patent/NL8102421A/en
Publication of NL8102421A publication Critical patent/NL8102421A/en

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
    • G09D3/00—Perpetual calendars

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electric Clocks (AREA)

Abstract

The calendar comprises a frame in which a calendar card for the year fits. On the frame is an indication of the weekdays and of the respective year, while on its front or rear or on the rear of the card or the cassette containing it is a table of four hundred successive years, with the respective datum numbers for annual calendars numbered 1 to 14. The 14 calendars can be on separate cards, or on the front and rear sides of seven cards. Each card can have the normal calendar on the front and the leap year one on the back which begins with the same weekday.
NL8102421A 1981-05-18 1981-05-18 Calendar with frame and annual card - incorporates table for four hundred years with datum numbers NL8102421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL8102421A NL8102421A (en) 1981-05-18 1981-05-18 Calendar with frame and annual card - incorporates table for four hundred years with datum numbers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8102421A NL8102421A (en) 1981-05-18 1981-05-18 Calendar with frame and annual card - incorporates table for four hundred years with datum numbers

Publications (1)

Publication Number Publication Date
NL8102421A true NL8102421A (en) 1982-12-16

Family

ID=19837520

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8102421A NL8102421A (en) 1981-05-18 1981-05-18 Calendar with frame and annual card - incorporates table for four hundred years with datum numbers

Country Status (1)

Country Link
NL (1) NL8102421A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001053109A2 (en) * 2000-01-24 2001-07-26 Pellumb Hyka Perpetual calendar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001053109A2 (en) * 2000-01-24 2001-07-26 Pellumb Hyka Perpetual calendar
WO2001053109A3 (en) * 2000-01-24 2002-01-17 Pellumb Hyka Perpetual calendar

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Legal Events

Date Code Title Description
BV The patent application has lapsed