US2789416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for cooling a turbine bearing of a gas turbine power plant
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1953-08-26
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Granted: 1957-04-23
•
Expires: 1973-08-26
Abstract
No abstract record available.
Inventors
- 👤 Rio N Mirza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:54
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/16; F01D25/162; F01D25/08; F01D25/12; F01D25/125; F01D9/00; F01D9/06; F01D9/065; F02; F02K; F02K1/00; F02K1/04; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2692724A
Cited
US2479573A
Cited
US2483401A
Cited
US2591399A
Cited
US2548886A
Cited
US2640319A
Cited
US2639579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |