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US3453574A
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High-frequency,wide-band transformer
Assignee: United States Atomic Energy Commission
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Filing: 1968-03-22
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Granted: 1969-07-01
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Expires: 1988-03-22
Abstract
No abstract record available.
Inventors
- 👤 Theodore De Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:23
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827191A
Cited
US2348325A
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US3005965A
Cited
GB867044A
Cited
US3066266A
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US3195076A
Cited
US3260977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |