David H. Keiser, Jr., D/B/A the Keiser Manufacturing Company v. High Point Hardware Company

ALBERT V. BRYAN, Circuit Judge.

A patent — its validity and infringement — is the subject of this appeal, and is best described in the summary of the District Judge:

“The patent in suit relates to grass shears or hedge shears which are characterized by a pivotal connection involving a pair of pivots, one of which forms a bearing for the horizontal opening and closing shearing movement of the blades, and the other of which is a separate transverse pivot and forms a bearing for one of the blades to swing independently at right angles to its shearing movement. Prior to World War II, various shears…