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US2654553A
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US
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Fuel tank
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1949-09-20
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Granted: 1953-10-06
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Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Noon T Cyril
- 👤 Robert J Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:40
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C7/236; B; B64; B64D; B64D37/00; B64D37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1871055A
Cited
US1939611A
Cited
US2415972A
Cited
US2432025A
Cited
US2446612A
Cited
US2519393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |