US2951560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frictional drag apparatus and brake provided therewith
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1957-10-11
•
Granted: 1960-09-06
•
Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Donald G Smellie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:41
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US836303A
Cited
US1944116A
Cited
GB519118A
Cited
US2244084A
Cited
US2294516A
Cited
US2392970A
Cited
US2551252A
Cited
US2579305A
Cited
US2568858A
Cited
US2727534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |