US2686739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrical conductor and method of producing same
Assignee: Dow Silicones Corp
•
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
- 👤 Jr Charles F Kohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:04
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/46; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF PREPARING AN ELECTRICAL CONDUCTOR FOR USE IN ELECTRICAL EQUIPMENT WHICH COMPRISES COATING THE CONDUCTOR WITH A SOLUTION OF A POLYESTER RESIN OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND PENTAERYTHRITOL, A POLYCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC, ISOPHTHALIC, STILBENEDICARBOXYLIC, DIPHENIC, TOLANEDICARBOXYLIC AND DIBENZYLDICARBOXYLIC ACIDS IN AMOUNT SO THAT THE RATIO OF OH TO COOH RADICALS IS FROM 4:1 TO 1.001:1 AND FROM .1 TO 85 PER CENT BY WEIGHT BASED UPON THE COMBINED WEIGHTS OF THE ALCOHOL AND CARBOXYLIC ACIDS OF A SILOXANE HAVING THE FORMULA
Claim 2
Independent Claim
95 words
A METHOD OF PREPARING AN ELECTRICAL CONDUCTOR FOR USE IN ELECTRICAL EQUIPMENT WHICH COMPRISES COATING THE CONDUCTOR WITH A SOLUTION OF A POLYESTER RESIN OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF GLYCERINE AND PENTAERYTHRITOL, A POLYCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC, ISOPHTHALIC, STILBENEDICARBOXYLIC, DIPHENIC, TOLANEDICARBOXYLIC AND DIBENZYLDICARBOXYLIC ACIDS IN AMOUNT SO THAT THE RATIO OF OH TO COOH RADICALS IS FROM 4:1 TO 1.001:1 AND FROM .1 TO 85 PER CENT BY WEIGHT BASED UPON THE COMBINED WEIGHTS OF THE ALCOHOL AND CARBOXYLIC ACIDS OF A SILOXANE HAVING THE FORMULA
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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) | 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 |