US2646860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber, especially for automotive vehicles
Assignee: JAMES V SPARKS
•
Filing: 1950-03-30
•
Granted: 1953-07-28
•
Expires: 1970-03-30
Abstract
No abstract record available.
Inventors
- 👤 Pirard Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:33
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/08; F16F7/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1608392A
Cited
FR734266A
Cited
US2237318A
Cited
US2237219A
Cited
US2429140A
Cited
US2404666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |