US3089144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact absorbers
Assignee: Individual
•
Filing: 1958-11-12
•
Granted: 1963-05-14
•
Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Cherup Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:52
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN IMPACT ABSORBER CAPABLE OF REPEATEDLY ABSORBING EXTERNAL IMPACTS, COMPRISING. (1) AN INNER RESILIENT MEMBRANE ADAPTED TO ENVELOPE AND BEAR AGAINST AT LEAST THE REAR CONVEXLY CURVED PORTION OF AN OBJECT TO BE PROTECTED AND BE THEREBY MAINTAINED UNDER TENSION; AND (2) AN UNYIELDING OUTER SHIELD ENVELOPING SAID INNER RESILIENT MEMBRANE AND BEING FASTENED THERETO BY SUITABLE FASTENING MEANS AT THE FORWARD PORTION THEREOF AND BEING SPACED APART THEREFROM ELSEWHERE, AND ADAPTED TO RECEIVE AND DISTRIBUTE THE FORCE OF A BLOW OVER THE SURFACE OF THE OBJECT IN CONTACT WITH SAID RESILIENT MEMBRANE; WHEREIN SAID RESILIENT MEMBRANE COMPRISES A TIGHTLY-WOVEN ELASTICIZED FABRIC COMPRISING INTERWOVEN SUBSTANTIALLY INELASTIC FIBERS AND HIGHLY ELASTIC AND SUBSTANTIALLY REVERSIBLY STRETCHABLE FIBERS, AND CHARACTERIZED BY HAVING A CONVEX-CONCAVE TENSILE FORCE-ELONGATION CURVE, SUBSTANTIALLY ONLY THE CONVEX PORTION THEREOF BEING EFFECTIVE AT ELONGATIONS UP TO THAT CAUSING BEARING CONTACT OF SAID OUTER SHIELD AND THE OBJECT TO BE PROTECTED.
Claim 2
Dependent Claim
150 words
AN IMPACT ABSORBER CAPABLE OF REPEATEDLY ABSORBING EXTERNAL IMPACTS, COMPRISING. (1) AN INNER RESILIENT MEMBRANE ADAPTED TO ENVELOPE AND BEAR AGAINST AT LEAST THE REAR CONVEXLY CURVED PORTION OF AN OBJECT TO BE PROTECTED AND BE THEREBY MAINTAINED UNDER TENSION; AND (2) AN UNYIELDING OUTER SHIELD ENVELOPING SAID INNER RESILIENT MEMBRANE AND BEING FASTENED THERETO BY SUITABLE FASTENING MEANS AT THE FORWARD PORTION THEREOF AND BEING SPACED APART THEREFROM ELSEWHERE, AND ADAPTED TO RECEIVE AND DISTRIBUTE THE FORCE OF A BLOW OVER THE SURFACE OF THE OBJECT IN CONTACT WITH SAID RESILIENT MEMBRANE; WHEREIN SAID RESILIENT MEMBRANE COMPRISES A TIGHTLY-WOVEN ELASTICIZED FABRIC COMPRISING INTERWOVEN SUBSTANTIALLY INELASTIC FIBERS AND HIGHLY ELASTIC AND SUBSTANTIALLY REVERSIBLY STRETCHABLE FIBERS, AND CHARACTERIZED BY HAVING A CONVEX-CONCAVE TENSILE FORCE-ELONGATION CURVE, SUBSTANTIALLY ONLY THE CONVEX PORTION THEREOF BEING EFFECTIVE AT ELONGATIONS UP TO THAT CAUSING BEARING CONTACT OF SAID OUTER SHIELD AND THE OBJECT TO BE PROTECTED.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |