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Patent US766991A successfully refreshed from Google Patents.
US766991A
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Propelling railway-cars synchronous electric motors.
Assignee: General Electric Co
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Filing: 1902-10-11
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Granted: 1904-08-09
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Expires: 1922-10-11
Abstract
No abstract record available.
Inventors
- 👤 Alexander Churchward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:53
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/0491; B60L; B60L9/00; B60L9/16; B60L9/24; B60L15/00; B60L15/20; B60L15/2054; B60L2200/00; B60L2200/26; B60L2220/00; B60L2220/10; B60L2220/14; B60L2240/00; B60L2240/40; B60L2240/50; B60L2240/507; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/72
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) | 1907-08-09 | 1908-02-08 | 1908-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-08-09 | 1912-02-08 | 1912-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-08-09 | 1916-02-08 | 1916-08-09 | $7700.00 | Window Closed / Lapsed |