US3548226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating-current generator with open-ended housing
Assignee: Denso Corp
•
Filing: 1969-03-05
•
Granted: 1970-12-15
•
Expires: 1989-03-05
Abstract
No abstract record available.
Inventors
- 👤 Suguru Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:51
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24; H02K11/00; H02K11/04; H02K11/049; H02K11/05; H10; H10W; H10W90/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2588175A
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US3134039A
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US3252025A
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US3215878A
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US3283191A
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US3329840A
Cited
US3329841A
Cited
US3290525A
Cited
US3312844A
Cited
US3484635A
Cited
US3493800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |