US3876492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced cellular panel construction
Assignee: Individual
•
Filing: 1973-05-21
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Granted: 1975-04-08
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Expires: 1993-05-21
Abstract
Abstract A reinforced, light panel structure for use as a structural module having a pair of spaced, parallel sheets separated by and joined to a shaped insert in the form of a continuous sheet with multiple, adjacent, closed wall, circularly cross-sectioned, conical projections extending in spaced array in alternately opposite directions from a common plane to provide a plurality of contact surfaces secured to the inside surfaces of the spaced parallel sheets.
Inventors
- 👤 Lawrence A Schott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:28
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/3405; B; B32; B32B; B32B7/00; B32B7/04; B32B7/12; B32B15/00; B32B15/04; B32B15/08; B32B15/14; B32B17/00; B32B17/02; B32B27/00; B32B27/06; B32B27/08; B32B27/12; B32B2315/00; B32B2315/08; B32B2315/085; B32B2607/00; E04C2002/3411; E04C2002/3427; E04C2002/3433; E04C2002/3438; E04C2002/3472; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24661
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
In a panel construction module of the type having a hollow core with a plurality of projections to each side of center and a sheet of material on each side of said core secured on the inner side to respective apices of said projections to provide a rigid construction, that improvement which comprises a core of sheet material formed outward to each side Z+ and Z- of the sheet with conical hollow projections, the bases of which lie in contiguous circles in the plane of said sheet and extending in a regular pattern to a plane on each side of the base departure plane of the sheet, each cone having substantially straight side walls from one apex of the Z- cones to the apex of the Z+ cones in planes cutting the core in the X and Y direction through the center of the cones, said side walls being
Claim 2
Dependent Claim
149 words
In a panel construction module of the type having a hollow core with a plurality of projections to each side of center and a sheet of material on each side of said core secured on the inner side to respective apices of said projections to provide a rigid construction, that improvement which comprises a core of sheet material formed outward to each side Z+ and Z- of the sheet with conical hollow projections, the bases of which lie in contiguous circles in the plane of said sheet and extending in a regular pattern to a plane on each side of the base departure plane of the sheet, each cone having substantially straight side walls from one apex of the Z- cones to the apex of the Z+ cones in planes cutting the core in the X and Y direction through the center of the cones, said side walls being
Claim 3
Dependent Claim
33 words
A panel construction module as defined in claim 1 in which the rigidifying sheets are provided with embossed deformations between the apices and away from the plane of the sheets to provide rigidifying
Claim 4
Dependent Claim
18 words
A panel construction as defined in claim 2 in which said deformations comprises concave depressions between said apices.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |