US2718897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick release valve
Assignee: Bendix Westinghouse Automotive Air Brake Co
•
Filing: 1953-04-03
•
Granted: 1955-09-27
•
Expires: 1973-04-03
Abstract
No abstract record available.
Inventors
- 👤 Earl T Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:13
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0446; F16K17/0453; B; B60; B60T; B60T15/00; B60T15/02; B60T15/36; B60T15/52; B60T15/54; F16K15/00; F16K15/14; F16K15/1402; F16K15/148; F16K15/1481; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7843; Y10T137/7879
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |