US3417312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant output voltage rectifying systems
Assignee: Panasonic Holdings Corp
•
Filing: 1966-01-10
•
Granted: 1968-12-17
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Someda Sadamichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:07
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555; H02M7/1557
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3176212A
Cited
US3207975A
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US3160806A
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US3299340A
Cited
US3323034A
Cited
US3337792A
Cited
US3281638A
Cited
US3300704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |