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. 16, 2010
Filed:
Jul. 20, 2006
Applicants:
Robert E. Smith, Strongsville, OH (US);
Lionel D. Burton Batty, Westlake, OH (US);
Philip D. Coleman, Avon, OH (US);
Inventors:
Robert E. Smith, Strongsville, OH (US);
Lionel D. Burton Batty, Westlake, OH (US);
Philip D. Coleman, Avon, OH (US);
Assignee:
GrafTech International Holdings Inc., Parma, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 7/06 (2006.01); H05B 7/09 (2006.01); H05B 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pin for use in connecting graphite electrodes into a joint, where the pin has at least one male tang having a tang factor, defined as the ratio of male tang length to diameter of the electrode into which hit is to be threaded, of at least about 0.60.