US2662615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic shock absorber for vehicles
Assignee: Armstrong Patents Co Ltd
•
Filing: 1950-09-22
•
Granted: 1953-12-15
•
Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
- 👤 Armstrong William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:49
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/36; F16F9/362; F16F9/364; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB277862A
Cited
US2134072A
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USRE21908E
Cited
US2263284A
Cited
US2369007A
Cited
US2472640A
Cited
US2511260A
Cited
US2498802A
Cited
GB670128A
Cited
US2599477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |