Card stock sheets with improved severance means
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 30, 1993
Grant Date -
N/A
app pub date -
Aug 15, 1991
filing date -
Aug 15, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A card stock sheet prepared for subsequent severance along a perforation line in the sheet defined by a sequence of closely spaced perforations and a continuous score cut at one surface of the sheet, extending part way into the sheet and coinciding with the perforation line with the uncut portions of the sheet between the perforations maintaining sheet integrity and with the score cut line providing a smooth edge when severance occurs.
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Family
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Cited Art Landscape
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