US2674546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable insulated electrical cords
Assignee: General Electric Co
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Filing: 1951-01-23
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Granted: 1954-04-06
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Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 Milton S Greenhalgh
- 👤 Stanton C Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:53
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/447; H01B3/441; H01B3/443; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A PORTABLE, FLEXIBLE, INSULATED ELECTRICAL CORD HAVING NON-MARRING AND NON-STRAINING PROPERTIES WHEN IN CONTACT WITH RESINOUS, VARNISHED OR LACQUERED SURFACES, AND BEING FREE OF SURFACE EXUDATION UPON EXTENDED EXPOSURE TO ULTRA-VIOLET RAYS, THE SAID CORD COMPRISING (1) A COPPER CONDUCTOR AND (2) AN EXTRUDED, UNVULCANIZED INSULATION COATING ON SAID CONDUCTOR, SAID INSULATION COATING CONSISTING ESSENTIALLY, BY WEIGHT, OF (A) FROM 30 TO 65 PER CENT OF A VINYL CHLORIDE RESIN, (B) FROM 15 TO 35 PER CENT OF A PLASTICIZER FOR THE VINYL CHLORIDE RESIN, (C) FROM 20 TO 40 PER CENT OF A COPOLYMER OF BUTADIENE-1,3 AND ACRYLONITRILE, THE SAID COPOLYMER BEING NON-VULCANIZABLE AND CONSISTING OF COPOLYMERIZED BUTADIENE-1,3 AND ACRYLONITRILE IN WHICH THE ACRYLONITRILE IS EQUAL TO FROM 20 TO 45 PER CENT OF THE TOTAL WEIGHT OF THE LATTER AND THE BUTADIENE-1,3, AND (D) THE BALANCE OF THE INSULATION BEING A FILLER WHICH IS PRESENT IN AN AMOUNT UP TO 100 PER CENT OF THE WEIGHT OF THE VINYL CHLORIDE RESIN.
Claim 2
Dependent Claim
163 words
A PORTABLE, FLEXIBLE, INSULATED ELECTRICAL CORD HAVING NON-MARRING AND NON-STRAINING PROPERTIES WHEN IN CONTACT WITH RESINOUS, VARNISHED OR LACQUERED SURFACES, AND BEING FREE OF SURFACE EXUDATION UPON EXTENDED EXPOSURE TO ULTRA-VIOLET RAYS, THE SAID CORD COMPRISING (1) A COPPER CONDUCTOR AND (2) AN EXTRUDED, UNVULCANIZED INSULATION COATING ON SAID CONDUCTOR, SAID INSULATION COATING CONSISTING ESSENTIALLY, BY WEIGHT, OF (A) FROM 30 TO 65 PER CENT OF A VINYL CHLORIDE RESIN, (B) FROM 15 TO 35 PER CENT OF A PLASTICIZER FOR THE VINYL CHLORIDE RESIN, (C) FROM 20 TO 40 PER CENT OF A COPOLYMER OF BUTADIENE-1,3 AND ACRYLONITRILE, THE SAID COPOLYMER BEING NON-VULCANIZABLE AND CONSISTING OF COPOLYMERIZED BUTADIENE-1,3 AND ACRYLONITRILE IN WHICH THE ACRYLONITRILE IS EQUAL TO FROM 20 TO 45 PER CENT OF THE TOTAL WEIGHT OF THE LATTER AND THE BUTADIENE-1,3, AND (D) THE BALANCE OF THE INSULATION BEING A FILLER WHICH IS PRESENT IN AN AMOUNT UP TO 100 PER CENT OF THE WEIGHT OF THE VINYL CHLORIDE RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |