In re Waite

Garrett, Presiding Judge,

delivered tbe opinion of tbe court:

Appellants seek review and reversal of tbe decision of the Board of Appeals of tbe United States Patent Office affirming that of the Primary Examiner rejecting the twenty-eight claims of their application relating to alleged new and useful improvements in vitreoüs •enamel opacifiers, “more particularly to compositions suitable for use as mill addition opaquing or opacifying agents, in conjunction with pre-smelted enamel frit and other constituents of an enamel mix, for production of white vitreous or porcelain enamels especially.” No…