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US1011944A
Expired / Lapsed
US
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Induction-motor.
Assignee: Allis Chalmers Corp
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Filing: 1911-10-06
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Granted: 1911-12-19
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Expires: 1931-10-06
Abstract
No abstract record available.
Inventors
- 👤 Alexander M Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/16; H02K17/168; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012
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) | 1914-12-18 | 1915-06-19 | 1915-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-12-18 | 1919-06-19 | 1919-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-12-18 | 1923-06-19 | 1923-12-19 | $7700.00 | Window Closed / Lapsed |