US2482246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load compensating fluid pressure brake apparatus
Assignee: Westinghouse Air Brake Co
•
Filing: 1947-03-20
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Granted: 1949-09-20
•
Expires: 1967-03-20
Abstract
No abstract record available.
Inventors
- 👤 Earle S Cook
- 👤 Glenn T Mcclure
- 👤 John W Rush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:53
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2367598A
Cited
US2390049A
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 |