US2478206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multirotor gas turbine power plant with propeller
Assignee: Westinghouse Electric Corp
•
Filing: 1944-02-24
•
Granted: 1949-08-09
•
Expires: 1964-02-24
Abstract
No abstract record available.
Inventors
- 👤 Arnold H Redding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:37
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/02; F02K3/04; F02K3/062; B; B64; B64C; B64C11/00; B64C11/001; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/141; F01D5/142; F02K3/072; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2404767A
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US2409446A
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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) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |