US2925998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine nozzles
Assignee: Motors Liquidation Co
•
Filing: 1952-12-22
•
Granted: 1960-02-23
•
Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 John R Hayes
- 👤 Stephen C Lampman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:09
CPC Classifications
F; F01; F01D; F01D9/00; F01D9/02; F01D9/04; F01D9/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR879000A
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US2357628A
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US1310676A
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US1602009A
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US1876518A
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FR891422A
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CH225221A
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US2337619A
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US2653547A
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US2625013A
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US2625793A
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US2718350A
Cited
GB672401A
Cited
US2667327A
Cited
US2720356A
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US2761731A
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DK72780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |