US3254883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective energy absorption construction
Assignee: JOHN T RIDDELL Inc
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Filing: 1962-11-23
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Granted: 1966-06-07
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 Gerard E Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:10
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0472; F16F9/0481; A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ENERGY ABSORBING STRUCTURE COMPRISING AN OUTER COVERING OF AN ESSENTIALLY AIR-IMPERIOUS MATERIAL, A PLURALITY OF PORTS DEFINED BY SAID COVERING ON AT LEAST ONE FACE THEREOF, AN INTERIOR MEMBER FORMED OF A RESILIENT MATERIAL, THE SURFACE OF SAID INTERIOR MEMBER HAVING ONE PORTION DISPOSED ADJACENT TO SAID ONE FACE WITH OTHER SURFACE PORTIONS RECEDING AWAY FROM SAID ONE FACE, SAID ONE SURFACE PORTION BEING ADAPTED TO CLOSE OFF AT LEAST ONE OF SAID PORTS UPON DELIVERY OF A BLOW TO SAID STRUCTURE AND SAID OTHER SURFACE PORTIONS BEING ADAPTED TO SEQUENTIALLY CLOSE OFF OTHERS OF SAID PORTS.
Claim 2
Dependent Claim
98 words
AN ENERGY ABSORBING STRUCTURE COMPRISING AN OUTER COVERING OF AN ESSENTIALLY AIR-IMPERIOUS MATERIAL, A PLURALITY OF PORTS DEFINED BY SAID COVERING ON AT LEAST ONE FACE THEREOF, AN INTERIOR MEMBER FORMED OF A RESILIENT MATERIAL, THE SURFACE OF SAID INTERIOR MEMBER HAVING ONE PORTION DISPOSED ADJACENT TO SAID ONE FACE WITH OTHER SURFACE PORTIONS RECEDING AWAY FROM SAID ONE FACE, SAID ONE SURFACE PORTION BEING ADAPTED TO CLOSE OFF AT LEAST ONE OF SAID PORTS UPON DELIVERY OF A BLOW TO SAID STRUCTURE AND SAID OTHER SURFACE PORTIONS BEING ADAPTED TO SEQUENTIALLY CLOSE OFF OTHERS OF SAID PORTS.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |