Patent US2836734A successfully refreshed from Google Patents.
US2836734A
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Voltage control apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1957-04-09
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Granted: 1958-05-27
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Expires: 1977-04-09
Abstract
No abstract record available.
Inventors
- 👤 Henry J Cichanowicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:25
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/62; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/07; G05B19/075; H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/601
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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |