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. 31, 1978
Filed:
Jun. 07, 1976
Applicant:
Inventor:
Georges Comte, St. Leu la Foret, FR;
Assignee:
Les Cables de Lyon S.A., Lyon Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P / ;
U.S. Cl.
CPC ...
333 / ; 29600 ; 138122 ; 138154 ; 156 82 ; 156175 ;
Abstract
A helical wave guide comprising a hollow conductor coated on its outside with an electrically conductive screen and formed by an electrically conductive wire coated with a thermoplastic insulator, wound in a helix and welded turn by turn by surface melting of the thermoplastic insulator. It is applicable to signal transmission.