US2835960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forging balanced turbine impellers and the like
Assignee: ARCTURUS Manufacturing CO Inc
•
Filing: 1955-12-12
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Granted: 1958-05-27
•
Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Elwood C Rork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/28; B21K1/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US983042A
Cited
US1685849A
Cited
US2119088A
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US2448903A
Cited
US2703922A
Cited
US2629923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |