US3398348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage electrical converter apparatus and pulse transformer therefor
Assignee: Westinghouse Electric Corp
•
Filing: 1965-09-08
•
Granted: 1968-08-20
•
Expires: 1985-09-08
Abstract
No abstract record available.
Inventors
- 👤 Lee A Kilgore
- 👤 Harvey E Spindle
- 👤 Louis A Casanova
- 👤 Thomas W Dakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:22
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/66; H02M7/68; H02M7/72; H02M7/75; H02M7/757; H02M7/7575; H01; H01F; H01F27/00; H01F27/40; H01F38/00; H01F38/18; H02M1/00; H02M1/08; H02M1/088; H02M1/092; H10; H10W; H10W90/00; Y; Y02; Y02E; Y02E60/00; Y02E60/60; Y10; Y10S; Y10S257/00; Y10S257/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2920297A
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US2942215A
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US2984773A
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US3173061A
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US3241034A
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US3234451A
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US3281745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |