Lighthall v. Watson

SIRICA, District Judge.

This is a civil action under 35 U.S.C.A. § 145 in which plaintiffs seek to compel the Patent Office to declare an interference between plaintiffs’ application, Serial No. 406,319, entitled “Composition Boards Containing Douglas Fir Bark” and the patent issued to Clark C. Heritage (Re. 24,174), entitled “Cork-Bound Hot-Pressed Boards”. The general subject matter involved here is the manufacture of composition boards from the components found in the wood and bark of coniferous trees such as the Douglas Fir. The specific controversy centers on the method of utilizing the…