Rion v. Ault

RICH, Judge.

This appeal is from the decision of the Board of Patent Interferences awarding priority to Ault et al., the senior party.1 Rion et al.2 appeal solely as to an issue which they assert, and which Ault denies, is ancillary to priority as hereinafter explained. We reverse and remand because we find there is no interference in fact.

The Counts

The parties’ inventions are both in the field of making vitreous enamels such as are applied to bathroom fixtures, kitchen sinks, and the like having a cast iron base. The counts recite a method of making a titania-opacified porcelain enamel frit…