Expandable sleeping bag
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 17, 2001
Grant Date -
N/A
app pub date -
Apr 4, 2000
filing date -
Apr 4, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An expandable sleeping bag comprising a modified draft tube design incorporating a draft tube expansion segment and expansion zipper which are used to expand the circumferential measurement of the sleeping bag's inner lining and outer shell.
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