US3349525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interacting laminar shell structural component
Assignee: Beazer East Inc
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Filing: 1966-01-14
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Granted: 1967-10-31
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Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Payne Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:41
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/08; E04B7/10; E04B7/102; H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/141; H01Q15/142; H01Q15/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A STRUCTURAL COMPONENT COMPRISING: (A) A PRIMARY MEMBRANE HAVING THE SHAPE OF A PORTION OF A SURFACE OF REVOLUTION; (B) A SECONDARY MEMBRANE SPACED APART FROM SAID PRIMARY MEMBRANE AND HAVING THE SHAPE OF A HYPERBOLIC PARABOLOID; AND (C) A CORE SYSTEM BONDED TO BOTH SAID PRIMARY AND SAID SECONDARY MEMBRANES WHEREBY BUCKLING STRESSES WHICH DEVELOP IN SAID PRIMARY MEMBRANE WHEN A LOAD IS APPLIED TO SAID PANEL ARE TRANSMITTED TO SAID SECONDARY MEMBRANE.
Claim 2
Dependent Claim
74 words
A STRUCTURAL COMPONENT COMPRISING: (A) A PRIMARY MEMBRANE HAVING THE SHAPE OF A PORTION OF A SURFACE OF REVOLUTION; (B) A SECONDARY MEMBRANE SPACED APART FROM SAID PRIMARY MEMBRANE AND HAVING THE SHAPE OF A HYPERBOLIC PARABOLOID; AND (C) A CORE SYSTEM BONDED TO BOTH SAID PRIMARY AND SAID SECONDARY MEMBRANES WHEREBY BUCKLING STRESSES WHICH DEVELOP IN SAID PRIMARY MEMBRANE WHEN A LOAD IS APPLIED TO SAID PANEL ARE TRANSMITTED TO SAID SECONDARY MEMBRANE.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |