Card – picture – or sign exhibiting – Calendars
Patent
1975-03-17
1976-08-31
Pitrelli, John F.
Card, picture, or sign exhibiting
Calendars
40 18, 40 7815, 4010413, G09F 1310
Patent
active
039771083
ABSTRACT:
Display apparatus for a data terminal having a readily accessible deck of message format cards stored in and retained by a card cartridge so that one or more selected cards can be pulled from a stored position, flexed into position over a message display panel assembly, removably connected to the panel assembly, and subsequently returned to the stored position.
REFERENCES:
patent: 370186 (1887-09-01), Fountain
patent: 632297 (1899-09-01), Walsh
patent: 2821037 (1958-01-01), Westphal
patent: 3367340 (1968-02-01), David et al.
patent: 3384985 (1968-05-01), Bretz et al.
patent: 3611599 (1971-10-01), Baars
patent: 3811212 (1974-05-01), Wright
patent: 3880396 (1975-04-01), Freiberger et al.
Parrillo Nicholas Vivian
Yerkovich Simon
Litton Systems Inc.
Pitrelli John F.
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