US2803312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic double-acting shock absorber
Assignee: Societe dInventions Aeronautiques et Mechaniques SIAM SA
•
Filing: 1953-12-04
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Granted: 1957-08-20
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Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
- 👤 Lucien Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:36
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/10; F16F9/14; F16F9/16; F16F9/22; F16F9/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1798536A
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US1087890A
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DE407955C
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US1805924A
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US1936876A
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US1992232A
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US1871911A
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US2026769A
Cited
US2552848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |