US2914299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam turbines
Assignee: The General Electric Company PLC
•
Filing: 1955-02-02
•
Granted: 1959-11-24
•
Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 John M Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:09
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US791743A
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US791744A
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US1017467A
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US1270232A
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US1469901A
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US1499103A
Cited
US1663563A
Cited
GB315722A
Cited
DE563458C
Cited
US1858067A
Cited
FR910154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |