US2720943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanically-operated disc brake
Assignee: Lambert Brake Corp
•
Filing: 1951-12-20
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Granted: 1955-10-18
•
Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Osborn A Kershner
- 👤 Parrett Dent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:33
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/04; F16D55/14; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/34; F16D2125/36; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974; Y10S411/999; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32221; Y10T403/32606; Y10T403/32861; Y10T403/32877; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1046495A
Cited
US2177372A
Cited
US2279274A
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US2387039A
Cited
US2555651A
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US2587831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |