US2910641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuitry
Assignee: Westinghouse Electric Corp
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Filing: 1958-01-30
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Granted: 1959-10-27
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Expires: 1978-01-30
Abstract
No abstract record available.
Inventors
- 👤 John L Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:06
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1006; H; H02; H02M; H02M1/00; H02M1/08; H02M1/081; H02M1/084; H02M5/00; H02M5/02; H02M5/04; H02M5/20; H02M5/22; H02M5/25; H02M5/27; H02M5/271
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |