Nelson v. Berry

Except as hereinafter related, Jardine, whose name appears in the caption in the relation of an appellee, is not a party to the appeal before us, and the issue upon the merits of the four interferences involved is solely between Nelson and Berry.

A series of interferences were declared by the proper tribunals of the United States Patent Office between respective applications of different parties for patents, the subject matter of which, generally stated, was alleged improvements in pistons composed in part of aluminum alloy.

In two of these interferences, viz, Nos. 53856 and 55250, Jardine was…