US851709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potential-regulator.
Assignee: Westinghouse Electric Corp
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Filing: 1906-06-25
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Granted: 1907-04-30
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Expires: 1926-06-25
Abstract
No abstract record available.
Inventors
- 👤 Wilbur H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:08
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/08; H01F29/12; G; G05; G05F; G05F1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/877; Y10T137/87708; Y10T137/87772; Y10T137/87917; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2154
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) | 1910-04-29 | 1910-10-29 | 1911-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-29 | 1914-10-29 | 1915-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-29 | 1918-10-29 | 1919-04-30 | $7700.00 | Window Closed / Lapsed |