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Patent US3021926A successfully refreshed from Google Patents.
US3021926A
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Shock absorbers or vibration dampers
Assignee: Individual
•
Filing: 1958-01-14
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Granted: 1962-02-20
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Expires: 1978-01-14
Abstract
No abstract record available.
Inventors
- 👤 Wasdell William Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:14
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; F16F9/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE523726A
Cited
US1909768A
Cited
US2314404A
Cited
US2628692A
Cited
FR1059101A
Cited
FR1112300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |