US727662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction-motor for variable speeds.
Assignee: GEORGE WETMORE COLLES
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Filing: 1901-10-05
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Granted: 1903-05-12
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Expires: 1921-10-05
Abstract
No abstract record available.
Inventors
- 👤 August Meuschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/30
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) | 1906-05-11 | 1906-11-10 | 1907-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-11 | 1910-11-10 | 1911-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-11 | 1914-11-10 | 1915-05-12 | $7700.00 | Window Closed / Lapsed |