Card – picture – or sign exhibiting – Register – or file – Interchangeable file item
Patent
1979-01-03
1982-06-08
Pitrelli, John F.
Card, picture, or sign exhibiting
Register, or file
Interchangeable file item
434108, 40109, 401242, 116323, G09F 320
Patent
active
RE0309591
ABSTRACT:
A scheduling board providing for the orderly listing of jobs or operations scheduled and/or contracted to be performed and the progress thereof in relation to the time allotted to each for their completion, said board incorporating an elongate, relatively narrow-width slideway extending along one side edge thereof for the reception of a plurality of discrete "day-date" tabs arranged in column formation therein, and further incorporating a wider channel disposed to the side of said slideway adapted to be filled with a multiplicity of transversely extending semi-rigid strips inscribed on their face with job or operation data, the vertical height of each of said strips being a known fraction of the vertical height of the day-date tabs, said column of day-date tabs being slidable upwardly in response to upward push force applied to the lowermost or lower tabs upon each uppermost tab having been removed from the slideway, and said topmost strip(s) being manually liftable from said channel by bowing force applied from beneath same to their middle-length portions, whereupon all lower strips may be slid upwardly in said channel to fill the space previously occupied by the strip or strips which have been removed.
REFERENCES:
patent: 1507099 (1924-09-01), Wood
patent: 1511750 (1924-10-01), Rand
patent: 1554466 (1925-09-01), Stratton
patent: 1695328 (1928-12-01), Gordon et al.
patent: 1880165 (1932-09-01), Winzeler
patent: 2797511 (1957-07-01), Zecher
patent: 2944355 (1960-07-01), Park inson
patent: 2994296 (1961-08-01), Waldin
patent: 3237329 (1966-03-01), Martin
patent: 3838529 (1974-10-01), Aybar
Anderson John S.
Anderson Virginia B.
Brown Laurence R.
Pitrelli John F.
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