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:
Jul. 06, 1976
Filed:
Dec. 05, 1974
Applicant:
Inventors:
Charles F Ward, Jr, Malvern, PA (US);
Norman L Smith, Haddonfield, NJ (US);
Assignee:
James G. Biddle Company, Plymouth Meeting, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324 54 ;
Abstract
Insulation is tested by the method of connecting a variable inductive reactor across a voltage supply in parallel with a test specimen. The inductance of the reactor is varied until its reactance equals that of the sample as indicated by the supply current to the parallel circuit.
Ward, Jr, Charles. (1976). Method of a.c. insulation testing utilizing a variable inductive reactor (U.S. Patent No. 3968426). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3968426
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile