US2856675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making turbomachine blading
Assignee: Motors Liquidation Co
•
Filing: 1954-11-08
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Granted: 1958-10-21
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Expires: 1974-11-08
Abstract
No abstract record available.
Inventors
- 👤 Russell E Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:49
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/02; B21; B21H; B21H7/00; B21H7/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH86446A
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US1883519A
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US2013622A
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US2290734A
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FR905735A
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US2712688A
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US2638663A
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US2716270A
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FR1060577A
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US2766645A
Cited
US2743509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |