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:
Jan. 11, 2011
Filed:
Feb. 13, 2009
Applicants:
Tim O. Cheung, Santa Barbara, CA (US);
Douglas Edgar Fregin, Waterloo, CA (US);
Inventors:
Tim O. Cheung, Santa Barbara, CA (US);
Douglas Edgar Fregin, Waterloo, CA (US);
Assignee:
Research In Motion Limited, Waterloo, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 1/00 (2006.01); H02H 3/22 (2006.01); H02H 1/04 (2006.01); H02H 9/06 (2006.01); H02H 9/00 (2006.01); H01C 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for providing electrostatic discharge protection includes a plurality of conductive circumferential extensions defined by overlapping circular voids between a first conductor surface and a second conductor surface.