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:
Apr. 28, 2009
Filed:
Jul. 30, 2008
Applicant:
Yoshiro Sano, Okayama, JP;
Inventor:
Yoshiro Sano, Okayama, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 5/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A movable contact point according to the present invention includes a dome-shaped portion protruded upwardly at its center portion and at least three protrusions formed, on the dome-shaped portion, to protrude downwardly at positions which are evenly spaced apart from the center position of the dome-shaped portion, wherein the protrusions are formed to have a quadrangular-pyramid shape protruding downwardly and having a spherical-shaped apex portion.