US3120697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making turbine blading
Assignee: DANN Corp
•
Filing: 1960-05-06
•
Granted: 1964-02-11
•
Expires: 1980-05-06
Abstract
No abstract record available.
Inventors
- 👤 Edward W Zingsheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:24
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE288626C
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US868419A
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US905460A
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US1466324A
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GB255672A
Cited
US2470499A
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US2640679A
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US2772069A
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US2937805A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |