US2663386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brake release
Assignee: Individual
•
Filing: 1949-03-11
•
Granted: 1953-12-22
•
Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 Fenley Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:28
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/28; E; E21; E21B; E21B19/00; E21B19/08; E21B19/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1926119A
Cited
US1779656A
Cited
US1954670A
Cited
US1834894A
Cited
US2080804A
Cited
US2117078A
Cited
US2298222A
Cited
US2327505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |