US2482291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure motor
Assignee: Westinghouse Air Brake Co
•
Filing: 1945-08-04
•
Granted: 1949-09-20
•
Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 John W Rush
- 👤 Arthur J Bent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:27
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; B; B03; B03B; B03B5/00; B03B5/28; B03B5/30; F01; F01B; F01B19/00; F01B19/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7832; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US573213A
Cited
US1233856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |