Permanent calendar

Details Permanent calendar Permanent calendar

1977-05-19

1979-03-06

Pitrelli, John F.

Card, picture, or sign exhibiting

Calendars

40109, 40120, G09D 302

Patent

active

041423119

ABSTRACT:
An improved permanent calendar assembly adapted and structured to display any month of any year. As in known calendars of this type, the construction features a flat main body with forwardly protruding tracks for removable mating with date columns. For flexibility of display blocks or end pieces carrying dates "29", "30" and "31" are rotatably or removably mounted onto the date columns. The date mounting structure allows both sides of the blocks to be shown, one side carrying a date and the reverse side being blank.

REFERENCES:
patent: 247000 (1881-09-01), Bath
patent: 301553 (1884-07-01), Bereman
patent: 1109814 (1914-09-01), Bailey
patent: 1427850 (1922-09-01), Reed
patent: 2992500 (1961-07-01), Hayhow
patent: 3579882 (1971-05-01), Miyahune

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