WOODROUGH, Circuit Judge.
This appeal is to reverse a decree rendered in a suit to enjoin contributory infringement of Boker patent No. 1802700 issued April 28, 1931. It appears that there are millions of automobiles in use equipped with grease cups having apertures about 1/16 of an inch in diameter through which lubricants must continually be forced to various parts. That is universally done with grease pumps whose nozzles contact the grease cups during the lubricating...
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