US3371302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply and improved transformer structure therefor
Assignee: Dynamic Instrument Corp
•
Filing: 1965-04-23
•
Granted: 1968-02-27
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Mas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/665; H01R13/6675; H01F; H01F27/00; H01F27/40; H01R13/40; H01F27/408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT93597B
Cited
US1647372A
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US1659062A
Cited
US1741265A
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US2089071A
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US2955238A
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US2956210A
Cited
US3244960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |