Patent US3211260A successfully refreshed from Google Patents.
US3211260A
Expired / Lapsed
US
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Energy absorption device
Assignee: VAN ZELM ASSOCIATES Inc
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Filing: 1964-07-21
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Granted: 1965-10-12
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Expires: 1984-07-21
Abstract
No abstract record available.
Inventors
- 👤 Martin A Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:47
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN ENERGY ABSORBING DEVICE COMPRISING AN ELONGATED METAL ELEMENT AND A FRAME MEANS TO HOUSE SAID ELONGATED METAL ELEMENT IN THE FORM OF A COIL, SAID HOUSING COMPRISING SIDE PLATES, A SEGMENTED SPACER MEANS BETWEEN SAID SIDE PLATES SURROUNDING SAID COILED ELEMENT, ONE SEGMENT OF SAID SPACER MEANS SECURED RIGIDLY TO SAID PLATES, HAVING ONE END THEREOF FORMED WITH SPACED, CONVEX PROTUBERANCES PERPENDICULAR TO THE PLANE OF SAID PLATES, ANOTHER SEGMENT OF SAID ELEMENT PIVOTED BETWEEN SAID SIDE PLATES AND OF A LENGTH SUFFICIENT TO PERMIT THE INSERTION OF THE COILED METAL ELEMENT, THE FREE END OF SAID PIVOTED SEGMENT FORMED WITH SPACED CONVEXC PROTUBERANCES PERPENDICULAR TO THE PLANE OF SAID SIDE PLATES, A SPACED
Claim 2
Dependent Claim
115 words
AN ENERGY ABSORBING DEVICE COMPRISING AN ELONGATED METAL ELEMENT AND A FRAME MEANS TO HOUSE SAID ELONGATED METAL ELEMENT IN THE FORM OF A COIL, SAID HOUSING COMPRISING SIDE PLATES, A SEGMENTED SPACER MEANS BETWEEN SAID SIDE PLATES SURROUNDING SAID COILED ELEMENT, ONE SEGMENT OF SAID SPACER MEANS SECURED RIGIDLY TO SAID PLATES, HAVING ONE END THEREOF FORMED WITH SPACED, CONVEX PROTUBERANCES PERPENDICULAR TO THE PLANE OF SAID PLATES, ANOTHER SEGMENT OF SAID ELEMENT PIVOTED BETWEEN SAID SIDE PLATES AND OF A LENGTH SUFFICIENT TO PERMIT THE INSERTION OF THE COILED METAL ELEMENT, THE FREE END OF SAID PIVOTED SEGMENT FORMED WITH SPACED CONVEXC PROTUBERANCES PERPENDICULAR TO THE PLANE OF SAID SIDE PLATES, A SPACED
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |