US2913515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shielded polyethylene insulated electric conductor
Assignee: Anaconda Wire and Cable Co
•
Filing: 1956-02-15
•
Granted: 1959-11-17
•
Expires: 1976-02-15
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C Ebel
- 👤 Ascoli Ralph G D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:27
CPC Classifications
H; H01; H01B; H01B9/00; H01B9/02; H01B9/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN AN INSULATED ELECTRIC CONDUCTOR IN WHICH A LAYER OF POLYETHYLENE INSULATION SURROUNDS THE CONDUCTOR, THE IMPROVEMENT WHICH COMPRISES A CONTINUOUS CONDUCTOR FILM COATING FIRMLY ADHERING TO AT LEAST ONE FACE OF THE POLYETHYLENE INSULATION AND PROVIDING PROTECTION AGAINST THE HARMFUL EFFECTS OF IONIZATION, SAID CONDUCTING FILM COATING CONSISTING ESSENTIALLY OF FROM 25 TO 50% BY WEIGHT OF METHYLATED PARAFFIN COMBINED WITH FROM 20 TO 60% BY WEIGHT OF A MODIFIER OF ITS INHERENT BRITTLENESS AND TACKINESS, SAID MODIFIER BEING SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE AND CHLORINATED PARAFFINS, AND SAID CONDUCTING FILM COATING HAVING CARBON BLACK PARTICLES UNIFORMLY DISPERSED THERETHROUGH IN AMOUNT FROM ABOUT 10 TO 50% BY WEIGHT TO IMPART TO THE FILM COATING THE AFORESAID CONDUCTING PROPERTY, ALL PERCENTAGES BEING BASED ON THE COMBINED WEIGHT OF THE FILM COATING AND CARBON BLACK PARTICLES.
Claim 2
Dependent Claim
138 words
IN AN INSULATED ELECTRIC CONDUCTOR IN WHICH A LAYER OF POLYETHYLENE INSULATION SURROUNDS THE CONDUCTOR, THE IMPROVEMENT WHICH COMPRISES A CONTINUOUS CONDUCTOR FILM COATING FIRMLY ADHERING TO AT LEAST ONE FACE OF THE POLYETHYLENE INSULATION AND PROVIDING PROTECTION AGAINST THE HARMFUL EFFECTS OF IONIZATION, SAID CONDUCTING FILM COATING CONSISTING ESSENTIALLY OF FROM 25 TO 50% BY WEIGHT OF METHYLATED PARAFFIN COMBINED WITH FROM 20 TO 60% BY WEIGHT OF A MODIFIER OF ITS INHERENT BRITTLENESS AND TACKINESS, SAID MODIFIER BEING SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ACETATE AND CHLORINATED PARAFFINS, AND SAID CONDUCTING FILM COATING HAVING CARBON BLACK PARTICLES UNIFORMLY DISPERSED THERETHROUGH IN AMOUNT FROM ABOUT 10 TO 50% BY WEIGHT TO IMPART TO THE FILM COATING THE AFORESAID CONDUCTING PROPERTY, ALL PERCENTAGES BEING BASED ON THE COMBINED WEIGHT OF THE FILM COATING AND CARBON BLACK PARTICLES.
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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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |