US3465981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brakes and torque varying means therefor
Assignee: Masson Scott Thrissell Engineering Ltd
•
Filing: 1967-07-20
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Granted: 1969-09-09
•
Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Graham Archie Bruce Byrt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:02
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2964440A
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US1940845A
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US2169629A
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US2472548A
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US2557185A
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FR1096182A
Cited
US2911070A
Cited
US3048240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |