US3539850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor rectifier assembly for combination with vehicle-type generators
Assignee: Denso Corp
•
Filing: 1969-04-14
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Granted: 1970-11-10
•
Expires: 1989-04-14
Abstract
No abstract record available.
Inventors
- 👤 Suguru Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:36
CPC Classifications
H; H10; H10W; H10W90/00; H02; H02K; H02K11/00; H02K11/04; H02K11/049; H02K11/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3146362A
Cited
US3271601A
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US3295046A
Cited
US3250928A
Cited
US3250929A
Cited
GB1088375A
Cited
US3339096A
Cited
US3361915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |