US3383950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential brake
Assignee: Lambert Brake Corp
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Filing: 1966-01-27
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Granted: 1968-05-21
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Expires: 1986-01-27
Abstract
No abstract record available.
Inventors
- 👤 Osborn A Kershner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:26
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/36; F16D55/40; B; B60; B60K; B60K17/00; B60K17/04; B60K17/16; B60K17/20; B60K23/00; B60K23/04; B60T; B60T1/00; B60T1/02; B60T1/06; B60T1/062; F16D2055/0004; F16D2055/0058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |