Stephens Pump Co. v. Coe

ROBB, Associate Justice.

Appeal from a decree in' the Supreme Court of the District (now District Court of the United States) dismissing appellants’ bill, filed under section 4915 R.S., as amended (35 U.S.C.A. § 63), seeking to authorize the issuance of a patent to appellant company, assignee of' applicant Stephens.

The application contains five claims, of which the first and fifth are illustrative, and are here reproduced:

“1. An expansible hollow pumping member having an internal annular flange at one end and an external annular flange at the other end.”

“5. A substantially cylindrical…