Programming device

Details Programming device Programming device

1987-07-27

1989-03-28

Swiatek, Robert P.

Card, picture, or sign exhibiting

Calendars

Hinged leaves

40122, G09D 304

Patent

active

048152250

ABSTRACT:
A calender period is set out on one sheet which faces a second sheet. The same calender period is set out on the second sheet but in mirror image to the first sheet. A transparent sheet is disposed between the sheets and is adapted to overlay one sheet or the second sheet. The transparent sheet includes storage pockets corresponding with the calender period set out on the sheets. Data or information placed on both sides of a data or information carrying sheet may then be associated with the same calender date by flipping the transparent sheet from one calender page to the other calender page.

REFERENCES:
patent: 605148 (1898-06-01), Sylvester
patent: 2041652 (1936-05-01), Clark et al.
patent: 2831279 (1958-04-01), Esslinger, Jr.
patent: 3207421 (1965-09-01), Hunger et al.
patent: 3290812 (1966-12-01), Hunkins
patent: 3696532 (1972-10-01), Nahon
patent: 4232462 (1980-11-01), Longenecker
patent: 4351123 (1982-09-01), Cross
patent: 4451067 (1984-05-01), Williams

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