US3383584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state switching regulator circuit
Assignee: United States Department of the Navy
•
Filing: 1965-03-16
•
Granted: 1968-05-14
•
Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert R Atherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:29
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/34; H02J7/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2776382A
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US2946945A
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US3009093A
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US3027491A
Cited
US2991410A
Cited
US3286157A
Cited
US3305763A
Cited
US3226630A
Cited
US3305767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |