US2707134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure brake equipment
Assignee: Westinghouse Air Brake Co
•
Filing: 1950-12-20
•
Granted: 1955-04-26
•
Expires: 1970-12-20
Abstract
No abstract record available.
Inventors
- 👤 Earle S Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:04
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/18; B60T15/24; B60T15/30; B60T15/302; B60T15/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1693943A
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US1881221A
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US2033229A
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US2058012A
Cited
US2071741A
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US2032154A
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US2201574A
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US2276927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |