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US2603948A
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Multistage gas turbine blade cooling with air in high-pressure turbine stages
Assignee: Individual
•
Filing: 1947-10-31
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Granted: 1952-07-22
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Expires: 1967-10-31
Abstract
No abstract record available.
Inventors
- 👤 Mims Lisso Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:59
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/125; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE346599C
Cited
DE177818C
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US853124A
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US919895A
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US1289960A
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US1442876A
Cited
US1829749A
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US2403388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |