Patent US3987737A successfully refreshed from Google Patents.
US3987737A
Expired / Lapsed
US
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Collapsible display stand
Assignee: Individual
•
Filing: 1974-07-15
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Granted: 1976-10-26
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Expires: 1994-07-15
Abstract
Abstract A collapsible display stand comprises a back wall, two side walls, and a plurality of shelf members, each of said shelf members hingedly attached to at least one of said walls and at least one of said shelf members having an extension attached to one side thereof which extends angularly of the shelf member and between said side walls.
Inventors
- 👤 Irving Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:07
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112; A47F5/116
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
170 words
A collapsible display stand comprising: a back wall, two side walls hingedly attached to said back wall, and a plurality of shelf members each hingedly attached along a first edge to said back wall in vertically spaced relationship, at least one of said shelf members having an extension attached to a second edge opposite said first edge, said extension extending from side wall to side wall and normally extending downwardly of said shelf member and between said shelf walls, each of said shelf members having biasing means attached thereto and to the side walls to establish a normally generally horizontal biased position of said shelf members braced in contract with said shelf members upwardly against said back wall when said side walls are swung around behind said back wall, each of said shelf members having outwardly extending tabs on the side edges thereof which contract said side walls and said side walls having slots therein aligned with said outwardly extending tabs such that said tabs can extend through said slots.
Claim 2
Dependent Claim
170 words
A collapsible display stand comprising: a back wall, two side walls hingedly attached to said back wall, and a plurality of shelf members each hingedly attached along a first edge to said back wall in vertically spaced relationship, at least one of said shelf members having an extension attached to a second edge opposite said first edge, said extension extending from side wall to side wall and normally extending downwardly of said shelf member and between said shelf walls, each of said shelf members having biasing means attached thereto and to the side walls to establish a normally generally horizontal biased position of said shelf members braced in contract with said shelf members upwardly against said back wall when said side walls are swung around behind said back wall, each of said shelf members having outwardly extending tabs on the side edges thereof which contract said side walls and said side walls having slots therein aligned with said outwardly extending tabs such that said tabs can extend through said slots.
Claim 3
Dependent Claim
24 words
The collapsible display stand of claim 1 wherein said biasing means comprises an elastic band connected to said side walls and said shelf members.
Claim 4
Dependent Claim
21 words
The collapsible display stand of claim 2 wherein the ends of said slots closest to said back wall are outwardly flaired.
Claim 5
Dependent Claim
40 words
The collapsible stand of claim 3 wherein the ends of each elastic band are attached to said side walls, and wherein each band extends through a downwardly extending tab attached to each of said side edges of said shelf members.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-26 | 1980-04-26 | 1980-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-26 | 1984-04-26 | 1984-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-26 | 1988-04-26 | 1988-10-26 | $7700.00 | Window Closed / Lapsed |