US2000692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of uniting nickel chrome steel turbine blades
Assignee: Allis Chalmers Corp
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Filing: 1930-05-09
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Granted: 1935-05-07
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Expires: 1950-05-09
Abstract
No abstract record available.
Inventors
- 👤 Paul C Dimberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:20
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/28; F01D5/22; F01D5/225; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/56; Y; Y10; Y10S; Y10S164/00; Y10S164/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49332; Y10T29/49334
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) | 1938-05-06 | 1938-11-05 | 1939-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-06 | 1942-11-05 | 1943-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-06 | 1946-11-05 | 1947-05-07 | $7700.00 | Window Closed / Lapsed |