Card – picture – or sign exhibiting – Register – or file – With means to separate or riffle file item
Patent
1977-08-11
1980-05-27
Pinkham, Richard C.
Card, picture, or sign exhibiting
Register, or file
With means to separate or riffle file item
40379, G09F 1104
Patent
active
042043514
ABSTRACT:
A rotary card index system including a card carrying drum rotatably mounted on a support frame and a pivotal plate member mounted on said frame for movement to and from a retracted inoperative position and an operable position between adjacent cards for maintaining the adjacent cards in spaced relationship.
REFERENCES:
patent: 1476157 (1923-12-01), Fleming
patent: 1533735 (1925-04-01), Hines
patent: 1596225 (1926-08-01), Andersson
patent: 2180490 (1939-11-01), Vogel
patent: 3126235 (1964-03-01), Gray et al.
patent: 3261649 (1966-07-01), Erickson et al.
Brown Scott L.
Business Efficiency Aids, Inc.
Pinkham Richard C.
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