Patent US1587645A successfully refreshed from Google Patents.
US1587645A
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Control of electric motors
Assignee: LA TRACTION ELECTRIQUE RATIONNELLE
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Filing: 1924-03-03
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Granted: 1926-06-08
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Expires: 1944-03-03
Abstract
No abstract record available.
Inventors
- 👤 Hicguet Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:34
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/10; B60L15/12; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274; Y10T74/19293; Y10T74/19298; Y10T74/19316
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) | 1929-06-07 | 1929-12-07 | 1930-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-06-07 | 1933-12-07 | 1934-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-06-07 | 1937-12-07 | 1938-06-08 | $7700.00 | Window Closed / Lapsed |