US661222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of governing prime movers.
Assignee: Westinghouse Electric Corp
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Filing: 1899-11-06
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Granted: 1900-11-06
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Expires: 1919-11-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Mershon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
F; F03; F03B; F03B15/00; H; H02; H02P; H02P9/00; H02P9/04; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T137/00; Y10T137/0971
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) | 1903-11-06 | 1904-05-07 | 1904-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-11-06 | 1908-05-07 | 1908-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-11-06 | 1912-05-07 | 1912-11-06 | $7700.00 | Window Closed / Lapsed |