Patent US851799A successfully refreshed from Google Patents.
US851799A
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US
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Electric traction system.
Assignee: General Electric Co
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Filing: 1906-06-01
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Granted: 1907-04-30
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Expires: 1926-06-01
Abstract
No abstract record available.
Inventors
- 👤 Alexander Churchward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:19
CPC Classifications
H; H02; H02P; H02P1/00; H02P1/16; H02P1/26; B; B60; B60H; B60H1/00; B60H1/00421; B60H1/00428; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/88
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) | 1910-04-29 | 1910-10-29 | 1911-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-29 | 1914-10-29 | 1915-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-29 | 1918-10-29 | 1919-04-30 | $7700.00 | Window Closed / Lapsed |