US2815100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-sticking shock absorber valve
Assignee: Individual
•
Filing: 1953-12-16
•
Granted: 1957-12-03
•
Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Bourcier Christian Marie Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:43
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; F16F9/348; F16F9/3484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1864787A
Cited
US1909582A
Cited
US2239112A
Cited
US2357278A
Cited
US2467098A
Cited
GB671712A
Cited
US2649938A
Cited
US2648405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |