US3221182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistorized power inverter
Assignee: Motors Liquidation Co
•
Filing: 1961-01-23
•
Granted: 1965-11-30
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Anderson
- 👤 Elden M Tritt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:15
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/082; H03K19/084; H03K5/00; H03K5/01; H03K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3103596A
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US2906871A
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US2991373A
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US2908794A
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US2945134A
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US2935626A
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US2965855A
Cited
US2874315A
Cited
US3053997A
Cited
US3037132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |