United States ex rel. American Gas-Accumulator Co. v. Coe

VAN ORSDEL, Associate Justice.

This is an appeal from an order of the Supreme Court of the District of Columbia dismissing a petition for writs of man*399damus and prohibition and discharging a rule to show cause issued against the Commissioner of Patents.

It appears that an interference proceeding was had in the Patent Office between a pending application of one Thomas D. Davidson, No. 344,241, filed March 5, 1929, and a patent to Boots et al., No. 1,751,070, owned by the petitioner. This application of Davidson was filed during the pendency of another application of his, No. 421,761, which had…