US2629541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbosupercharger waste gate control
Assignee: Boeing Co
•
Filing: 1945-07-20
•
Granted: 1953-02-24
•
Expires: 1965-07-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Couture
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:31
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1346563A
Cited
US2297495A
Cited
US2386096A
Cited
US2378441A
Cited
US2428708A
Cited
US2491380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |