US2914630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signalling means for fluid pressure actuators
Assignee: Bendix Westinghouse Automotive Air Brake Co
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Filing: 1957-07-23
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Granted: 1959-11-24
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Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 James V Ralston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:13
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; B60T17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1461339A
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US2478575A
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US2506208A
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US2591852A
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US2553291A
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US2558830A
Cited
US2637794A
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US2659381A
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US2795189A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |