US3504932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual rate dampening device
Assignee: United States Department of the Army
•
Filing: 1967-10-04
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Granted: 1970-04-07
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ted Kozowyk
- 👤 Alex H Sinclair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:11
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/145; B; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/108; B62D55/1083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3047283A
Cited
US3117800A
Cited
US3262522A
Cited
US3237728A
Cited
US3352565A
Cited
US3397897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |