US2591399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power plant frame structure having air-cooling means for turbine rotors and exhaust frame struts
Assignee: General Electric Co
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Filing: 1951-01-20
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Granted: 1952-04-01
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Expires: 1971-01-20
Abstract
No abstract record available.
Inventors
- 👤 Bruce O Buckland
- 👤 Howard Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/20; F01; F01D; F01D25/00; F01D25/16; F01D5/00; F01D5/02; F01D5/06; F02C3/00; F02C3/04; F02C3/06; F02C7/12; F02C7/16; F02C7/18; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |