Patent US3281628A successfully refreshed from Google Patents.
US770040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-control system.
Assignee: General Electric Co
•
Filing: 1903-04-18
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Granted: 1904-09-13
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Expires: 1923-04-18
Abstract
No abstract record available.
Inventors
- 👤 Charles E Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/02; B60L15/04; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
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) | 1907-09-13 | 1908-03-14 | 1908-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-09-13 | 1912-03-14 | 1912-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-09-13 | 1916-03-14 | 1916-09-13 | $7700.00 | Window Closed / Lapsed |