US3054933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifier apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1959-10-06
•
Granted: 1962-09-18
•
Expires: 1979-10-06
Abstract
No abstract record available.
Inventors
- 👤 Orest A Meykar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:04
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/02; H02; H02M; H02M7/00; H02M7/003; Y; Y10; Y10S; Y10S257/00; Y10S257/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2349629A
Cited
US2702879A
Cited
US2684457A
Cited
US2714694A
Cited
US2778977A
Cited
US2839710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |