Patent US3555398A successfully refreshed from Google Patents.
US3555398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifier power supply with surge reduction
Assignee: MCINTOSH LAB Inc
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Filing: 1969-06-05
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Granted: 1971-01-12
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Expires: 1989-06-05
Abstract
Abstract A RECTIFIER POWER SUPPLY WHICH REDUCES INITIAL SURGE AND ALSO IMPROVES REGULATION OVER A WIDE RANGE OF LOAD CURRENTS, CONSISTING OF A CAPACITOR AND A THERMISTOR CONNECTED DIRECTLY ACROSS THE RECTIFIER OF THE POWER SUPPLY ON THE OUTPUT SIDE OF THE RECTIFIER.
Inventors
- 👤 Mioljub R Nestorovic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:48
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/14; H02M7/00; H02M7/02; H02M7/04; H02M7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |