Patent US2543099A successfully refreshed from Google Patents.
US2543099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure valve
Assignee: Bendix Westinghouse Automotive Air Brake Co
•
Filing: 1947-05-14
•
Granted: 1951-02-27
•
Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Wilfred A Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:41
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/58; B60T13/62; B60T15/00; B60T15/02; B60T15/18; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2088185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |