US3013638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic slack take-up mechanism for cam-operated brakes
Assignee: Individual
•
Filing: 1959-03-26
•
Granted: 1961-12-19
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Satrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:23
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1525568A
Cited
US1988413A
Cited
FR766811A
Cited
US2109284A
Cited
GB471519A
Cited
US2109637A
Cited
US2296026A
Cited
US2650681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |