US2482528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-boost venturi construction
Assignee: Wright Aeronautical Corp
•
Filing: 1945-06-08
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Granted: 1949-09-20
•
Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Francis J Wiegand
- 👤 Robert W Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:51
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB135557A
Cited
US2399079A
Cited
US2216677A
Cited
US2361227A
Cited
GB561017A
Cited
US2411287A
Cited
US2391755A
Cited
US2396031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |