US2873944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine blade cooling
Assignee: Motors Liquidation Co
•
Filing: 1952-09-10
•
Granted: 1959-02-17
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Theodore O Wiese
- 👤 Jr Stuart Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:56
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/187; F01D5/188; F01D5/189
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256393A
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US2447095A
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GB602530A
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US2656146A
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US2559131A
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US2648520A
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US2650803A
Cited
US2746671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |