Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 28, 2008
Patent Application Number
11281636
Date Filed
November 17, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
In a barrel for a paint-ball gun, the entrance to the bore has a chamfer. The chamfer has a smooth transition from the entrance to the bore; preferably in the form of a section of a circle or parabola. In another embodiment, the bore of the barrel has a similar smooth transition in the muzzle of the barrel at the exit of the bore.
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