Patent US2801518A successfully refreshed from Google Patents.
US2801518A
Expired / Lapsed
US
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Gas turbine
Assignee: Solar Aircraft Co
•
Filing: 1952-09-17
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Granted: 1957-08-06
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Expires: 1972-09-17
Abstract
No abstract record available.
Inventors
- 👤 Leon R Wosika
- 👤 Paul A Pitt
- 👤 Grant B Hodgson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:56
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/16; F02C7/18; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; F01D9/044; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB484289A
Cited
FR861149A
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US2296702A
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US2364189A
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US2510606A
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US2540526A
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US2465846A
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FR936704A
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US2435990A
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US2497151A
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US2578481A
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US2605611A
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US2632396A
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US2704434A
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US2631796A
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US2743053A
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US2689682A
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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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |