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:
Nov. 20, 1990
Filed:
Jul. 24, 1989
Applicant:
Inventor:
Varinder K Kalra, St. Louis, MO (US);
Assignee:
Cooper Industries, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
337163 ; 337158 ; 337166 ;
Abstract
A spiral wound sand fuse has a non-reactive fiber core permitting use of the fuse to interrupt high fault currents in high voltage circuits.
Kalra, Varinder. (1990). Spiral wound sand fuse (U.S. Patent No. 4972169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4972169
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile