US3655065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown cube structure
Assignee: Individual
•
Filing: 1970-12-09
•
Granted: 1972-04-11
•
Expires: 1990-12-09
Abstract
Abstract A knockdown cube member formed of a plastic material and comprising a top member and a bottom member, each integrally formed and being of identical construction, and a pair of side members being of identical construction, so that said top, bottom and side member may be readily assembled to form a cube and wherein said cube may be used either individually or to form a module which is readily connected to other similar cubes.
Inventors
- 👤 Bernard Yellin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:32
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/04; A47B47/042; A47B87/00; A47B87/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
125 words
A knockdown unit formed of a plurality of sections comprising a top section and a bottom section and a pair of side sections, each said section integrally formed of a plastic material, said top and bottom sections each being of identical construction and said pair of side sections each being of identical construction, said top and bottom sections each having a wall surface and flanges extending inwardly at right angles to said wall surfaces, said side sections each having a wall surface and top and bottom horizontal flanges extending at right angles to said wall surface, the top and bottom horizontal flanges of said side sections adapted to engage the top and bottom sections, and means for interlOcking said sections to form a single unit.
Claim 2
Dependent Claim
125 words
A knockdown unit formed of a plurality of sections comprising a top section and a bottom section and a pair of side sections, each said section integrally formed of a plastic material, said top and bottom sections each being of identical construction and said pair of side sections each being of identical construction, said top and bottom sections each having a wall surface and flanges extending inwardly at right angles to said wall surfaces, said side sections each having a wall surface and top and bottom horizontal flanges extending at right angles to said wall surface, the top and bottom horizontal flanges of said side sections adapted to engage the top and bottom sections, and means for interlOcking said sections to form a single unit.
Claim 3
Dependent Claim
54 words
A structure as set forth in claim 1 in which the side sections have inwardly extending extensions adapted to be positioned contiguous to certain of the flanges of the top and bottom sections, said extensions and said certain flanges having alined openings, and fastening means passing through said openings to secure said sections together.
Claim 4
Dependent Claim
29 words
A structure as set forth in claim 2 in which the extensions have a shoulder which is in engagement with the outer edge of the flange which it engages.
Claim 5
Dependent Claim
35 words
A structure as set forth in claim 2 in which said extensions are integrally formed with said side sections and said side extensions are connected to corner bracing means formed integrally with said side sections.
Claim 6
Dependent Claim
23 words
A structure as set forth in claim 1 in which each side section is provided with inwardly extending means which support a shelf.
Claim 7
Dependent Claim
45 words
A structure as set forth in claim 1 in which the top and bottom sections have channels to receive the top and bottom horizontal flanges of said side sections and said side sections have corner members engaging the flanges of said top and bottom sections.
Claim 8
Dependent Claim
22 words
A structure as set forth in claim 1 in which a plurality of similarly constructed units are secured together by fastening means.
Claim 9
Dependent Claim
30 words
A structure as set forth in claim 1 in which a plurality of similarly constructed units are secured together by fastening elements passing through alined openings in adjacent side sections.
Claim 10
Dependent Claim
38 words
A structure as set forth in claim 1 in which a plurality of units are positioned one on top of the other in superimposed position, with said units being secured together by fastening elements passing through alined openings.
Claim 11
Dependent Claim
54 words
A structure as set forth in claim 1 in which the side sections have top and bottom shoulders which engage the top and bottom flanges of the top and bottom sections and in which the side sections have top and bottom border surfaces positioned contiguous to the flanges in said top and bottom sections.
References Cited (Backward Citations)
US473541A
Cited
US2749199A
Cited
US2730011A
Cited
US2903312A
Cited
US3307894A
Cited
US3334175A
Cited
US3554384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |