US2647530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloader valve
Assignee: Bendix Aviation Corp
•
Filing: 1948-01-30
•
Granted: 1953-08-04
•
Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 John S Jaquith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:37
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/027; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2612; Y10T137/2615
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US313249A
Cited
US891284A
Cited
US2196120A
Cited
GB506088A
Cited
US2235858A
Cited
US2326462A
Cited
US2391790A
Cited
US2395941A
Cited
US2375411A
Cited
US2496577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |