Patent US2992370A successfully refreshed from Google Patents.
US2992370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical coil structure
Assignee: Motors Liquidation Co
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Filing: 1956-09-11
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Granted: 1961-07-11
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Expires: 1976-09-11
Abstract
No abstract record available.
Inventors
- 👤 Donald W Laviana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:22
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1100178A
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US2214151A
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US2264832A
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US2413897A
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US2434511A
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US2455355A
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US2471869A
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US2488468A
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US2501686A
Cited
US2649558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |