US3497833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast recovery high-mean-power pre-tr switch
Assignee: Westinghouse Electric Corp
•
Filing: 1966-11-23
•
Granted: 1970-02-24
•
Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Harry Goldie
- 👤 James F Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:46
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/03; G01S7/034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2422190A
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US2773243A
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US2776409A
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US2791720A
Cited
FR1229387A
Cited
US3151275A
Cited
US3268757A
Cited
US3311852A
Cited
US3337819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |