US2283502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for dumping fuel from aircraft
Assignee: Hughes Tool Co
•
Filing: 1938-10-26
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Granted: 1942-05-19
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Expires: 1958-10-26
Abstract
No abstract record available.
Inventors
- 👤 Howard R Hughes
- 👤 Stanley A Bell
- 👤 Glenn E Odekirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:55
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; B64D37/26; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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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) | 1945-05-18 | 1945-11-17 | 1946-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-18 | 1949-11-17 | 1950-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-18 | 1953-11-17 | 1954-05-19 | $7700.00 | Window Closed / Lapsed |