Patent US2273638A successfully refreshed from Google Patents.
US1017571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governor.
Assignee: General Electric Co
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Filing: 1910-06-29
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Granted: 1912-02-13
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Expires: 1930-06-29
Abstract
No abstract record available.
Inventors
- 👤 Louis C Loewenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:49
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/06; F01D15/062; Y; Y02; Y02E; Y02E10/00; Y02E10/20
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) | 1915-02-12 | 1915-08-14 | 1916-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-02-12 | 1919-08-14 | 1920-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-02-12 | 1923-08-14 | 1924-02-13 | $7700.00 | Window Closed / Lapsed |