US2820538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable clutch release and operating mechanism
Assignee: Lambert Brake Corp
•
Filing: 1954-02-04
•
Granted: 1958-01-21
•
Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Parrett Dent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US383104A
Cited
US900397A
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US1552368A
Cited
FR761185A
Cited
US2090787A
Cited
US2451325A
Cited
US2624437A
Cited
US2702106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |