US3512822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination liquid and metal shock absorbing buffers
Assignee: Energy Absorption Systems Inc
•
Filing: 1968-11-20
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Granted: 1970-05-19
•
Expires: 1988-11-20
Abstract
No abstract record available.
Inventors
- 👤 John W Rich
- 👤 Grant W Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:55
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B60R19/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191118213A
Cited
US1597621A
Cited
US1696429A
Cited
US2251347A
Cited
US2227560A
Cited
US3265163A
Cited
US3284122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |