Belknap v. Wallace Addressing Mach. Co.

WINSLOW, District Judge.

This is a suit brought by the plaintiff on a patent owned by him, No. 1,256,509. The patent covers a machine construction and a series of stencil cards co-operating with the other machine elements to stencil a series of names and addresses on envelopes or mailing wrappers. The stencil cards, which are claimed to be one of the elements of the operation, are made of rigid cardboard adapted to this particular machine, with a panel of paper in the center thereof pasted on the cardboard frame; “on the margin and baek of the margin, classification marks may be placed so as…