US2027140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque amplifying system
Assignee: General Electric Co
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Filing: 1932-11-02
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Granted: 1936-01-07
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Expires: 1952-11-02
Abstract
No abstract record available.
Inventors
- 👤 Ernst F W Alexanderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/18
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) | 1939-01-06 | 1939-07-08 | 1940-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-06 | 1943-07-08 | 1944-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-06 | 1947-07-08 | 1948-01-07 | $7700.00 | Window Closed / Lapsed |