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:
May. 22, 1990
Filed:
Sep. 11, 1989
Applicant:
Inventors:
Stephen H Diaz, Los Altos Hills, CA (US);
Gabe Cherian, Fremont, CA (US);
Stephen Morris, Los Altos, CA (US);
John R Vinson, Cricklade, nr. Swindon, GB;
David Crofts, Cirencester, GB;
Anthony J Moore, Cirencester, GB;
Assignee:
Raychem Limited, , GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 56 ; 361 58 ; 361 91 ; 361111 ; 361401 ; 252 6235 ; 357 2313 ;
Abstract
A circuit protection device for protecting electrical circuits against voltage transients comprises a chip package which includes a threshold switch device formed from an amorphous composition.