US2420323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wing-mounted jet-propulsion system with controllable discharge outlet
Assignee: Westinghouse Electric Corp
•
Filing: 1943-07-21
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Granted: 1947-05-13
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Expires: 1963-07-21
Abstract
No abstract record available.
Inventors
- 👤 Charles A Meyer
- 👤 Bradbury Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:29
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/002; F02K1/006; B; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1072663A
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US1725914A
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US1772196A
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US1992158A
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FR804284A
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GB499004A
Cited
GB504539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |