US3525882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectified power supply circuit providing variable termination during half cycle conduction using zero crossing turn on and commutation turn off methods
Assignee: HERBERT R MONTAGUE
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Filing: 1967-05-25
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Granted: 1970-08-25
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Expires: 1987-05-25
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Montague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:50
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/13; H03K17/136; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/162; H02M7/1623
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3335360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |