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Patent US629872A successfully refreshed from Google Patents.
US629872A
Expired / Lapsed
US
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Electric motor.
Assignee: Individual
•
Filing: 1898-11-10
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Granted: 1899-08-01
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Expires: 1918-11-10
Abstract
No abstract record available.
Inventors
- 👤 James Thomas Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:02
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/74; 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) | 1902-08-01 | 1903-01-31 | 1903-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-08-01 | 1907-01-31 | 1907-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-08-01 | 1911-01-31 | 1911-08-02 | $7700.00 | Window Closed / Lapsed |