Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 28, 2011
Patent Application Number
12804736
Date Filed
July 28, 2010
Patent Primary Examiner
Patent abstract
An electric plug having a central signal shaft terminating in a tip, wherein the tip has a substantially frustoconical nose, a convex annular shoulder centered at an axial distance of less than 0.120 inch from the front end of the tip, (defining a bulbous portion) and a concave waist having a radius of curvature greater than about 0.75 inch, defining the detent adjacent to the bulbous portion.
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