US2955424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine plants
Assignee: CA Parsons and Co Ltd
•
Filing: 1955-11-01
•
Granted: 1960-10-11
•
Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Hryniszak Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/107; F02C3/113; F02C5/00; F02C5/06; F02C5/08; F02C7/00; F02C7/36; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1732405A
Cited
US2540991A
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GB595357A
Cited
DE860901C
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DE868809C
Cited
GB610939A
Cited
US2575683A
Cited
US2613749A
Cited
US2693080A
Cited
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 |