Universal apparatus for evaluating calendar data

Details Universal apparatus for evaluating calendar data Universal apparatus for evaluating calendar data

1979-11-20

1981-08-25

Mancene, Gene

Card, picture, or sign exhibiting

Calendars

Charactered slide

40107, G09D 0304

Patent

active

042851475

ABSTRACT:
The apparatus according to the invention maintains traditional calendar sequences and provides an intelligible adjustment and reading of data from any point of view and in any range of years. It also makes it possible to read data simultaneously in two calendar systems. The apparatus consists of two mutually movable members which are provided with indication members for individual calendar data. Their mutual position is set up according to a code marking of the actually desired month.

REFERENCES:
patent: 449543 (1891-03-01), Kelly
patent: 641433 (1900-01-01), Buell
patent: 1493378 (1924-05-01), Patterson
patent: 1611538 (1926-12-01), Landman
patent: 2755581 (1956-07-01), Johnson

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