Patent US919527A successfully refreshed from Google Patents.
US919527A
Expired / Lapsed
US
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Induction-motor.
Assignee: General Electric Co
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Filing: 1905-10-21
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Granted: 1909-04-27
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Expires: 1925-10-21
Abstract
No abstract record available.
Inventors
- 👤 Sven R Bergman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:07
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/16; H02K17/18; H02K17/20
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) | 1912-04-26 | 1912-10-26 | 1913-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-26 | 1916-10-26 | 1917-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-26 | 1920-10-26 | 1921-04-27 | $7700.00 | Window Closed / Lapsed |