Collapsible structures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 2002
Issued Date -
N/A
app pub date -
Dec 5, 2000
filing date -
Sep 24, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A collapsible structure has at least three foldable frame members, each having a folded and an unfolded orientation. The structure has a fabric material covering portions of each frame member to form a panel for each frame member, with each panel further including a left side, a bottom side and a right side, with the left side of each panel coupled to the right side of an adjacent panel, and the right side of each panel coupled to the left side of another adjacent pane. The bottom side of at least one panel is positioned at a higher vertical level than the bottom side of at least one other panel.
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International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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