Multi-disk rotatable year calendar

Details Multi-disk rotatable year calendar Multi-disk rotatable year calendar

1976-03-22

1977-05-31

Eickholt, E. H.

Card, picture, or sign exhibiting

Calendars

Rotatable

35 74, 40113, G09D 308

Patent

active

040260526

ABSTRACT:
A calendar comprising a date disk and a week disk which are rotatably coupled with each other. The date disk has date figures and the week disk has week indicating letters. The calendar has further month indicating letters and formations for bringing unnecessary month indicating letters into the invisible state. The date disk and the week disk may be corresponded according to the selected month by relatively rotating both disks and selecting the month indicating letter.

REFERENCES:
patent: 900310 (1908-10-01), Proctor

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