Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2008
Patent Application Number
11227294
Date Filed
September 16, 2005
Patent Primary Examiner
Patent abstract
A pallet stone cooperates with the teeth of an escapement wheel of a watch or clock movement, and includes a trailing plane and an impulse plane and at least one capillary channel acting as a tank for a lubricant, characterized in that the capillary channel connects the trailing plane to the impulse plane.
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