The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 1977
Filed:
Apr. 16, 1975
Zvi Paniri, Scarborough, CA;
Walter Shakotko, Toronto, CA;
Canada Wire and Cable Limited, Toronto, CA;
Abstract
A power cable comprising three insulated power conductors helically stranded together, at least two grounding conductors located in the outer interstices between the power conductors and an extensible ground check conductor also located in the interstices between the power conductors or at the center. The ground check conductor includes a plurality of metallic wire strands helically wound together in a short lay in the same direction of lay, and extensible non-metallic materials separating the metallic wire strands for substantially eliminating direct friction between the groups of metallic wire strands during flexing and twisting of the cable.