US2683044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock-absorbing device
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1949-06-11
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Granted: 1954-07-06
•
Expires: 1969-06-11
Abstract
No abstract record available.
Inventors
- 👤 Seddon Robert Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:44
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/40; F16F3/00; F16F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR424842A
Cited
US1653122A
Cited
US1744551A
Cited
US1791484A
Cited
FR872359A
Cited
GB570110A
Cited
GB586372A
Cited
GB594749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |