Multi-annual calendar

Details Multi-annual calendar Multi-annual calendar

1989-08-28

1991-04-02

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Calendars

Rotatable

283 2, G09D 308

Patent

active

050037137

ABSTRACT:
Apparatus for selectably displaying one of a plurality of predetermined combinations of first and second sets of symbols taken from respective first and second groups comprising first selectable display apparatus on which there is provided the first group of symbols; second selectable display apparatus on which there is provided the second group of symbols; and cover apparatus for the first and second selectable display apparatus defining first and second display locations for the respective first and second sets of symbols, the first and second display apparatus and the first and second locations being arranged such that any of the predetermined combinations may be selectably displayed at the first and second locations by operation of the first and second selectable display apparatus.

REFERENCES:
patent: 1439080 (1922-12-01), Fenimore
patent: 1526166 (1925-02-01), Manahan
patent: 2191757 (1940-02-01), Hacker
patent: 2548553 (1951-04-01), Neves
patent: 3605307 (1971-09-01), Dickson

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