Paper knife
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United States of America Patent
Stats
-
Sep 22, 1998
Grant Date -
N/A
app pub date -
Jan 28, 1997
filing date -
Aug 2, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A knife for cutting a fold in paper, especially designed for opening an envelope. At least one end of the knife has two adjacent body walls (6) with a blade portion (3) placed between them and guiding sections (7, 10) in the body to guide the fold while cutting. At least body walls (6) of the knife are made of transparent material or furnished with a control hole (12) to facilitate arrangement of tip (2) into a starting position for cutting.
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Family
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Cited Art Landscape
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