US1748364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making turbine blades
Assignee: Westinghouse Electric Corp
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Filing: 1928-10-09
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Granted: 1930-02-25
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Expires: 1948-10-09
Abstract
No abstract record available.
Inventors
- 👤 James L Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
B; B23; B23P; B23P15/00; B23P15/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-02-24 | 1933-08-26 | 1934-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-02-24 | 1937-08-26 | 1938-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-02-24 | 1941-08-26 | 1942-02-25 | $7700.00 | Window Closed / Lapsed |