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US2879185A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceramic coating for magnet wire

Assignee: General Electric Co
•
Filing: 1957-05-27
•
Granted: 1959-03-24
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Expires: 1977-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Burnham W King
  • 👤 George D Kelly

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 02:44
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958; Y10T428/296

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 55 words
COPPER WIRE, AND A FLEXIBLE CITREOUS ELECTRICALLY INSULATING COATING ADHERENT THERETO COMPRISING PER 100 PARTS BY WEIGHT (1) FROM ZERO TO 13 PARTS BY WEIGHT OF K2O, (2) 45 TO 85 PARTS BY WEIGHT OF PBO, (3) 8 TO 40 PARTS BY WEIGHT OF SIO2 AND (4) 2 TO 11 PARTS BY WEIGHT OF NIO.

References Cited (Backward Citations)

US2023998A Cited
US2071533A Cited
US2421652A Cited
US2397005A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-23 1962-09-22 1963-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-23 1966-09-22 1967-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-23 1970-09-22 1971-03-24 $7700.00 Window Closed / Lapsed

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