US2462201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical airplane propulsion
Assignee: Westinghouse Electric Corp
•
Filing: 1943-02-02
•
Granted: 1949-02-22
•
Expires: 1963-02-02
Abstract
No abstract record available.
Inventors
- 👤 Lee A Kilgore
- 👤 Jr Frank W Godsey
- 👤 Bennie A Rose
- 👤 Frank B Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:26
CPC Classifications
B; B64; B64D; B64D35/00; B64D35/02; B64D35/021; B64D27/00; B64D27/02; B64D27/30; B64D27/34; B64D31/00; B64D31/16; Y; Y02; Y02T; Y02T50/00; Y02T50/40; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304289A
Cited
US1304229A
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US1283684A
Cited
US1331940A
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AT85484B
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US1511448A
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US1865980A
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US1834188A
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US1972486A
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US1990017A
Cited
US2103156A
Cited
US2070590A
Cited
US2257126A
Cited
US2195036A
Cited
US2265933A
Cited
US2212653A
Cited
GB538386A
Cited
US2233634A
Cited
US2330733A
Cited
US2321302A
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US2293912A
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US2321025A
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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) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |