US2748901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic slack adjustor for brakes
Assignee: Motors Liquidation Co
•
Filing: 1953-07-29
•
Granted: 1956-06-05
•
Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Frank W Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:54
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/561; F16D65/565; F16D51/00; F16D51/46; F16D51/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157721A
Cited
FR630340A
Cited
US2222858A
Cited
US2216861A
Cited
US2255260A
Cited
US2695078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |