US2675174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine or compressor rotor
Assignee: Motors Liquidation Co
•
Filing: 1950-05-11
•
Granted: 1954-04-13
•
Expires: 1970-05-11
Abstract
No abstract record available.
Inventors
- 👤 Charles J Mcdowall
- 👤 John B Wheatley
- 👤 Otakar P Prachar
- 👤 Arthur W Gaubatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2213940A
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US2308233A
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US2472062A
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US2458148A
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US2461242A
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US2461243A
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US2470780A
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US2458149A
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US2461402A
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US2488867A
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US2557747A
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GB625299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |