US2471296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jettison fuel tank
Assignee: Thermoid Co
•
Filing: 1944-12-14
•
Granted: 1949-05-24
•
Expires: 1964-12-14
Abstract
No abstract record available.
Inventors
- 👤 Dwight P Allen
- 👤 Wise Royale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:39
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B64D37/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2233270A
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US783776A
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US1037684A
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US1201003A
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US1451967A
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US1474052A
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GB219249A
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US2002211A
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US2300259A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |