US3309633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-parasite electric cable
Assignee: Individual
•
Filing: 1963-01-10
•
Granted: 1967-03-14
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Mayer Ferdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:11
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/02; H01B11/12; H01B11/14; H01B11/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A LOW PASS ELECTRIC CABLE FOR TRANSMITTING A RANGE OF LOW FREQUENCIES WITHOUT SUBSTANTIAL ATTENUATION AND FOR PROVIDING SUBSTANTIAL ABSORPTION OVER A SELECTED WIDE RANGE OF FREQUENCIES IN THE MEGACYCLE RANGE, SAID CABLE COMPRISING AT LEAST ONE CONDUCTING ELEMENT, AT LEAST ONE INSULATING MEDIUM AT LEAST PARTIALLY ENCLOSING SAID CONDUCTING ELEMENT, AND AT LEAST ONE CONDUCTIVE RETURN PATH SEPARATED FROM SAID CONDUCTING ELEMENT BY SAID INSULATING MEDIUM, SAID INSULATING MEDIUM INCLUDING A MIXTURE OF MATERIALS SELECTED TO HAVE A FREQUENCY DEPENDENT ELECTROMAGNETIC WAVE ATTENUATION DUE TO ABSORPTION LOSES OVER SAID SELECTED RANGE OF FREQUENCIES SUBSTANTIALLY AS GREAT AS THE ATTENUATION CAUSED BY REACTIVE EFFECTS OF SAID MIXTURE OF MATERIALS, SAID ABSORPTION LOSSES BEING PRODUCED BY MICROSCOPIC MAGNETIC AND/OR DIELECTRIC RESONANCE OR RELAXATION WITHIN THE MIXTURE OF MATERIALS, SAID CABLE FURTHER COMPRISING A BODY OF HIGH PERMITTIVITY DIELECTRIC MATERIAL CONNECTED BETWEEN SAID CONDUCTING ELEMENT AND SAID CONDUCTIVE RETURN PATH AND DEFINING A CAPACITOR THEREBETWEEN, SAID CABLE PRESENTING AN ATTENUATION INCREASE, IN SAID SELECTED RANGE OF FREQUENCIES, OF AT LEAST ABOUT THREE TIMES OVER THE SAME CABLE WITHOUT SAID BODY OF HIGH PERMITTIVITY DIELECTRIC MATERIAL DEFINING SAID CAPACITOR AND WITHOUT SAID CONDUCTIVE RETURN PATH.
Claim 2
Dependent Claim
192 words
A LOW PASS ELECTRIC CABLE FOR TRANSMITTING A RANGE OF LOW FREQUENCIES WITHOUT SUBSTANTIAL ATTENUATION AND FOR PROVIDING SUBSTANTIAL ABSORPTION OVER A SELECTED WIDE RANGE OF FREQUENCIES IN THE MEGACYCLE RANGE, SAID CABLE COMPRISING AT LEAST ONE CONDUCTING ELEMENT, AT LEAST ONE INSULATING MEDIUM AT LEAST PARTIALLY ENCLOSING SAID CONDUCTING ELEMENT, AND AT LEAST ONE CONDUCTIVE RETURN PATH SEPARATED FROM SAID CONDUCTING ELEMENT BY SAID INSULATING MEDIUM, SAID INSULATING MEDIUM INCLUDING A MIXTURE OF MATERIALS SELECTED TO HAVE A FREQUENCY DEPENDENT ELECTROMAGNETIC WAVE ATTENUATION DUE TO ABSORPTION LOSES OVER SAID SELECTED RANGE OF FREQUENCIES SUBSTANTIALLY AS GREAT AS THE ATTENUATION CAUSED BY REACTIVE EFFECTS OF SAID MIXTURE OF MATERIALS, SAID ABSORPTION LOSSES BEING PRODUCED BY MICROSCOPIC MAGNETIC AND/OR DIELECTRIC RESONANCE OR RELAXATION WITHIN THE MIXTURE OF MATERIALS, SAID CABLE FURTHER COMPRISING A BODY OF HIGH PERMITTIVITY DIELECTRIC MATERIAL CONNECTED BETWEEN SAID CONDUCTING ELEMENT AND SAID CONDUCTIVE RETURN PATH AND DEFINING A CAPACITOR THEREBETWEEN, SAID CABLE PRESENTING AN ATTENUATION INCREASE, IN SAID SELECTED RANGE OF FREQUENCIES, OF AT LEAST ABOUT THREE TIMES OVER THE SAME CABLE WITHOUT SAID BODY OF HIGH PERMITTIVITY DIELECTRIC MATERIAL DEFINING SAID CAPACITOR AND WITHOUT SAID CONDUCTIVE RETURN PATH.
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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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |