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:
Apr. 08, 1980
Filed:
Oct. 16, 1978
Applicant:
Inventor:
Richard M Rovnyak, Schaumburg, IL (US);
Assignee:
GTE Automatic Electric Laboratories Incorporated, Northlake, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338195 ; 338308 ; 338314 ;
Abstract
A thick film resistor which fuses at low continuous current yet withstands high voltage pulses. The resistor design comprises a series of smaller thick film resistors disposed on a ceramic substrate, each having laser trimmed kerfs strategically located to control current flow and prevent voltage arcing across the kerfs.
Rovnyak, Richard. (1980). Thick film fusing resistor (U.S. Patent No. 4197521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4197521
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile