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:
Mar. 09, 1976
Filed:
Sep. 09, 1974
Applicant:
Inventors:
Karl H Kalberer, Jr, Duncan, OK (US);
Harold D Fish, Duncan, OK (US);
Assignee:
Halliburton company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ; H04N / ;
U.S. Cl.
CPC ...
317 31 ; 317 / ; 178-68 ; 178D / ;
Abstract
A light assembly for use with apparatus for the inspection of conduits such as underground sewer lines is presented. The light assembly includes a plurality of low energy light sources, and a current interrupting device which interrupts the current to the light sources when the voltage across the light sources exceeds a given voltage.
Kalberer, Jr, Karl. (1976). Light assembly for use in a conduit (U.S. Patent No. 3943410). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3943410
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile