Movable index sheet unit

Details Movable index sheet unit Movable index sheet unit

1988-11-17

1990-01-16

Bell, Paul A.

Printed matter

With sliding leaf

402 79, 281 38, B42D 1500

Patent

active

048938394

ABSTRACT:
A movable index mounted on a base sheet for reciprocal movement which movement is controlled, guided and limited by track means and track-follower means.

REFERENCES:
patent: 1243626 (1917-10-01), Pinkerton
patent: 2064749 (1936-12-01), Huber
patent: 4580814 (1986-04-01), Berler

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