Patent US2946187A successfully refreshed from Google Patents.
US2946187A
Expired / Lapsed
US
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Gas and steam cycle power plant having twin supercharged vapor generators
Assignee: Foster Wheeler Inc
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Filing: 1958-05-28
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Granted: 1960-07-26
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Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Zoschak
- 👤 Kelvin J Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:31
CPC Classifications
F; F01; F01K; F01K23/00; F01K23/02; F01K23/06; F22; F22B; F22B1/00; F22B1/22; F22B1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE22620C
Cited
US2631932A
Cited
US1952542A
Cited
US2605610A
Cited
US2633144A
Cited
US2672850A
Cited
US2752899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |