US2686740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrical conductor and method of producing same
Assignee: Dow Silicones Corp
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Filing: 1951-05-31
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Granted: 1954-08-17
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Expires: 1971-05-31
Abstract
No abstract record available.
Inventors
- 👤 John T Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:12
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; H01B3/42; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A METHOD OF PREPARING AN ELECTRICAL CONDUCTOR FOR USE IN ELECTRICAL EQUIPMENT WHICH COMPRISES COATING THE CONDUCTOR WITH A SOLUTION OF A MODIFIED POLYESTER RESIN OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND PENTAERYTHRITOL, AN ACID SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC AND ISOPHTHALIC ACIDS AND DIALKYL ESTERS OF SAID ACIDS, AND A SILANE OF THE FORMULA RNSIX4-N IS WHICH R IS OF THE GROUP CONSISTING OF ALKYL, ARYL, AND ARYLOXY RADICALS, X IS OF THE GROUP CONSISTING OF ALKOXY, ARYLOXY AND HALOGEN, AND N HAS A VALUE OF FROM 0 TO 3, IN SAID MODIFIED POLYESTER RESIN THE ACID AND SILANE BEING PRESENT IN AMOUNT EQUIVALENT TO THE ALCOHOL, AND THEREAFTER HEATING THE CONDUCTOR AT A TEMPERATURE OF AT LEAST 200* C.
Claim 2
Independent Claim
127 words
A METHOD OF PREPARING AN ELECTRICAL CONDUCTOR FOR USE IN ELECTRICAL EQUIPMENT WHICH COMPRISES COATING THE CONDUCTOR WITH A SOLUTION OF A MODIFIED POLYESTER RESIN OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND PENTAERYTHRITOL, AN ACID SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC AND ISOPHTHALIC ACIDS AND DIALKYL ESTERS OF SAID ACIDS, AND A SILANE OF THE FORMULA RNSIX4-N IS WHICH R IS OF THE GROUP CONSISTING OF ALKYL, ARYL, AND ARYLOXY RADICALS, X IS OF THE GROUP CONSISTING OF ALKOXY, ARYLOXY AND HALOGEN, AND N HAS A VALUE OF FROM 0 TO 3, IN SAID MODIFIED POLYESTER RESIN THE ACID AND SILANE BEING PRESENT IN AMOUNT EQUIVALENT TO THE ALCOHOL, AND THEREAFTER HEATING THE CONDUCTOR AT A TEMPERATURE OF AT LEAST 200* C.
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) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |