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Patent US3413475A successfully refreshed from Google Patents.
US3413475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray tube power supply for producing a series of selected numbers of consecutive alternating current voltage cycles
Assignee: Westinghouse Electric Corp
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Filing: 1965-12-29
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Granted: 1968-11-26
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Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 George H Russ
- 👤 Jr Robert L Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |