Patent US2955414A successfully refreshed from Google Patents.
US2955414A
Expired / Lapsed
US
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Combined power plant
Assignee: RTX Corp
•
Filing: 1957-09-03
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Granted: 1960-10-11
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 George F Hausmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:28
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/10; F02K7/16; F02K3/00; F02K3/12; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2896408A
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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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |