US2998958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling structure for turbine wheels
Assignee: General Electric Co
•
Filing: 1956-09-26
•
Granted: 1961-09-05
•
Expires: 1976-09-26
Abstract
No abstract record available.
Inventors
- 👤 Alford Joseph Savage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:43
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/081; F01D5/082; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2234767A
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US2234757A
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US2364037A
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US2348748A
Cited
GB580225A
Cited
US2463898A
Cited
GB584873A
Cited
US2605081A
Cited
US2620157A
Cited
US2759700A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |