US2487117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake mechanism
Assignee: Bendix Westinghouse Automotive Air Brake Co
•
Filing: 1945-10-05
•
Granted: 1949-11-08
•
Expires: 1965-10-05
Abstract
No abstract record available.
Inventors
- 👤 Wilfred A Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:17
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D2055/0004; F16D2055/005; F16D2055/0058; F16D2055/0075; F16D2055/0091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2000542A
Cited
US2061905A
Cited
US2166165A
Cited
US2289549A
Cited
US2359516A
Cited
US2381166A
Cited
US2379972A
Cited
US2392970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |