US1734930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-stabilized shaft for turbines and method of making the same
Assignee: General Electric Co
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Filing: 1927-12-22
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Granted: 1929-11-05
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Expires: 1947-12-22
Abstract
No abstract record available.
Inventors
- 👤 Simon H Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:47
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/027; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49762; Y10T29/49764; Y10T29/49771
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) | 1932-11-04 | 1933-05-06 | 1933-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-04 | 1937-05-06 | 1937-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-04 | 1941-05-06 | 1941-11-05 | $7700.00 | Window Closed / Lapsed |