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United States of America Patent
Stats
-
Oct 31, 2000
Grant Date -
N/A
app pub date -
Feb 3, 2000
filing date -
Aug 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A folder designed as a clipboard file for non-perforated documents has one or more index sheets (14-18) retained in the back of the folder (3) by folding lines (24) which engage behind a clamp (5). Pressure is applied to a friction clamping spring (9) for moving the spring between closed and opened positions by applying pressure to a front leg (8) of the spring.
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