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. 25, 1976
Filed:
Apr. 08, 1974
Applicant:
Inventor:
Joseph Nemeth, St. Clair Shores, MI (US);
Assignee:
Champion Spark Plug Company, Toledo, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T / ; H01B / ; H01C / ;
U.S. Cl.
CPC ...
252521 ; 252518 ; 313118 ; 315 58 ;
Abstract
An improved ceramic article useful after firing as an electrical suppressor element, especially suitable for use in spark plugs, is disclosed. The suppressor element is a copper-aluminum composition modified with a mangesium, calcium, strontium or barium metal compound. The numerical value of the atom ratio of the article,