Owens v. Sponable

BlaNd, Judge,

delivered tbe opinion of the court:

This is an appeal by the senior party, Owens, from the decision of the Board of Appeals of the United States Patent Office, affirming that of the Examiner of Interferences awarding priority of invention to the junior party, Sponable, as to all the counts, twelve in number, involved in the interference.

The subject matter of both applications concerns a holder for a light slit which emits the light from a sound recording lamp to the picture film which is passed over said slit. In the prior art, the glass containing the narrow light emitting slit…