US2160209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure brake
Assignee: Westinghouse Air Brake Co
•
Filing: 1937-04-24
•
Granted: 1939-05-30
•
Expires: 1957-04-24
Abstract
No abstract record available.
Inventors
- 👤 Canetta John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:37
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1893; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1098; Y10T137/2278; Y10T137/2409; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-05-29 | 1942-11-28 | 1943-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-29 | 1946-11-28 | 1947-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-29 | 1950-11-28 | 1951-05-30 | $7700.00 | Window Closed / Lapsed |