US2672952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic hydraulic shock absorber
Assignee: Armstrong Patents Co Ltd
•
Filing: 1949-11-14
•
Granted: 1954-03-23
•
Expires: 1969-11-14
Abstract
No abstract record available.
Inventors
- 👤 Smith Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:40
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/16; F16F9/18; F16F9/185; F16F9/32; F16F9/34; F16F9/36; F16F9/362; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085581A
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US1164371A
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US1682848A
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US2062816A
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US2071969A
Cited
US2048285A
Cited
US2107974A
Cited
US2240644A
Cited
US2309499A
Cited
US2465680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |