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Patent US632874A successfully refreshed from Google Patents.
US632874A
Expired / Lapsed
US
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Controlling of electric-motor vehicles.
Assignee: ELECTRICAL UNDERTAKINGS Ltd
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Filing: 1898-09-27
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Granted: 1899-09-12
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Expires: 1918-09-27
Abstract
No abstract record available.
Inventors
- 👤 Henry Leitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:31
CPC Classifications
B; B60; B60L; B60L50/00; B60L50/50; B60L50/52; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20576; Y10T74/20636; Y10T74/20672
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) | 1902-09-12 | 1903-03-14 | 1903-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-09-12 | 1907-03-14 | 1907-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-09-12 | 1911-03-14 | 1911-09-13 | $7700.00 | Window Closed / Lapsed |