Visible indexes

Card – picture – or sign exhibiting – Changing exhibitor – Interchangeable plate

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Details

40611, 428 99, 428132, 283 36, 283 39, G09F 304

Patent

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043453961

ABSTRACT:
Spring loaded devices for spacing index strips and other components of a visible index with respect to a frame supporting those components and for removably attaching items to or holding them against the frame.

REFERENCES:
patent: 1340140 (1920-05-01), Anthony
patent: 1447889 (1923-03-01), Reuschlein
patent: 1809066 (1930-02-01), Powell
patent: 2552270 (1951-05-01), Evans

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