US916898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor-control system.
Assignee: Allis Chalmers Corp
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Filing: 1906-12-31
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Granted: 1909-03-30
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Expires: 1926-12-31
Abstract
No abstract record available.
Inventors
- 👤 Emmett W Stull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:44
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/02; B60L15/04; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
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) | 1912-03-29 | 1912-09-28 | 1913-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-03-29 | 1916-09-28 | 1917-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-03-29 | 1920-09-28 | 1921-03-30 | $7700.00 | Window Closed / Lapsed |