Patent US2632626A successfully refreshed from Google Patents.
US2632626A
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US
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Dirt trap for turbine cooling air
Assignee: RTX Corp
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Filing: 1947-02-12
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Granted: 1953-03-24
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Expires: 1967-02-12
Abstract
No abstract record available.
Inventors
- 👤 Frank A Mcclintock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:26
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/081; F01D5/082; F05; F05D; F05D2260/00; F05D2260/60; F05D2260/607; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303207A
Cited
US1653217A
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US1647292A
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US1703867A
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US1864201A
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US2288734A
Cited
US2241782A
Cited
US2532721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |