Patent US2464568A successfully refreshed from Google Patents.
US2464568A
Expired / Lapsed
US
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Electrical coil insulated with thermoplastic particles and thermoset polymer
Assignee: General Electric Co
•
Filing: 1945-05-14
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Granted: 1949-03-15
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Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Edward J Flynn
- 👤 Frank J Lasak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:08
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1455199A
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US1980483A
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GB389236A
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US2116318A
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US2136609A
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US2224724A
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US2191581A
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US2307588A
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US2254072A
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US2347320A
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US2400892A
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US2414525A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |