Patent US2588869A successfully refreshed from Google Patents.
US2588869A
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US
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Underwing fueling connection
Assignee: Lockheed Martin Corp
•
Filing: 1947-09-10
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Granted: 1952-03-11
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Expires: 1967-09-10
Abstract
No abstract record available.
Inventors
- 👤 John S Pinaire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
B; B64; B64D; B64D39/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7439; Y10T137/7465; Y10T137/7472; Y10T137/8593; Y10T137/86236; Y10T137/86348; Y10T137/86364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1019724A
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US1377994A
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US1302538A
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US1540684A
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US1703295A
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US1810366A
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US2092670A
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US2318236A
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US2384628A
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US2477186A
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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) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |