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:
Jun. 24, 2003
Filed:
Oct. 18, 2000
Applicant:
Inventors:
Manfred Adolf, Schwaikheim, DE;
Werner Niessner, Steinheim, DE;
Assignee:
Beru AG, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T 1/320 ; H01T 1/322 ; F02P 1/00 ;
U.S. Cl.
CPC ...
H01T 1/320 ; H01T 1/322 ; F02P 1/00 ;
Abstract
Spark plug with an electrically insulating ceramic insulator ( ), a metallic spark plug body ( ), a ground electrode ( ) and a middle electrode ( ) which is located centrally in a hole ( ) of the ceramic insulator ( ), around the ignition-side end area on the periphery of the middle electrode ( ) a peripheral tip ( ) being formed which encompasses the middle electrode ( ) in an annular manner.