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US3657008A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyester wire insulation

Assignee: Goodyear Tire and Rubber Co
•
Filing: 1970-02-02
•
Granted: 1972-04-18
•
Expires: 1990-02-02
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Abstract

Abstract The invention relates to insulation coatings for wire consisting of an outer jacket coating of highly crystallizable polyester resin and an undercoat of softer less crystallizable polyester resin.

Inventors

  • 👤 Clyde E Gleim

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 08:29
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/308; H01B3/42; H01B3/421; H01B3/422; H01B3/423; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2947; Y10T428/31504; Y10T428/31678; Y10T428/31681

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 29 words
A polyester insulation coated electrical conductor wire consisting essentially of a conductor wire base with an undercoat comprising 70/10/20 poly(ethylene terephthalate/isophthalate/sebacate) copolyester and a jacket coat comprising poly(ethylene terephthalate).
Claim 2
Dependent Claim 28 words
An insulation coated conductor wire consisting essentially of a conductor wire base with an undercoat comprising 70/10/20 poly(ethylene terephthalate/isophthalate/sebacate) copolyester, and wherein the jacket coat comprises poly(tetramethylene terephthalate).
Claim 3
Dependent Claim 28 words
A polyester insulation coated electrical conductor wire consisting essentially of a conductor wire base with an undercoat comprising 70/30 poly(ethylene terephthalate/isophthalate) and a jacket coat comprising poly(ethylene terephthalate).
Claim 4
Dependent Claim 28 words
A polyester insulated coated electrical conductor wire consisting essentially of a conductor wire base with an undercoat comprising 70/30 poly(ethylene/neopentyl terephthalate) and a jacket coat comprising poly(ethylene terephthalate).

References Cited (Backward Citations)

US2965613A Cited
US3022200A Cited
US3201276A Cited
US3427287A Cited
US3240626A Cited
US3296024A Cited
US3386960A Cited
US3372148A Cited
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US3374114A Cited
US3378402A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-04-18 1975-10-18 1976-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-04-18 1979-10-18 1980-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-04-18 1983-10-18 1984-04-18 $7700.00 Window Closed / Lapsed

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