US2584877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil tank and system
Assignee: United Aircraft Products Inc
•
Filing: 1945-04-30
•
Granted: 1952-02-05
•
Expires: 1965-04-30
Abstract
No abstract record available.
Inventors
- 👤 Allan C Hoffman
- 👤 Walter H Geddes
- 👤 James D Olcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:19
CPC Classifications
F; F01; F01M; F01M5/00; F01M5/02; F01M5/005; F01M5/007; F01M5/021; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/265; Y10T137/2668; Y10T137/2693
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2353577A
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US2436513A
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US2408265A
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US2419630A
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US2364119A
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US2449696A
Cited
US2483448A
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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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |