Patent US3331034A successfully refreshed from Google Patents.
US3331034A
Expired / Lapsed
US
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Converter stabilizing circuit
Assignee: Motors Liquidation Co
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Filing: 1964-09-10
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Granted: 1967-07-11
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Richard E Massoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:53
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2905835A
Cited
US3019782A
Cited
US3069612A
Cited
US3033996A
Cited
US3234452A
Cited
US3191093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |