Openable bag
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Aug 27, 1991
Grant Date -
N/A
app pub date -
Mar 17, 1987
filing date -
Dec 5, 1969
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plastic film structure for forming a bag including a sheet of thin plastic film with continuous shaped interlocking rib and groove profiles thereon either integral with the film or on strips which are fused to the film with the sheet having plastic reinforcing strips thereon between the profiles with the reinforcing strips providing tear guidelines for tearing off the top of a bag formed from the sheet to thereafter provide gripping flanges for separating the profiles and opening the bag.
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Family
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Cited Art Landscape
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