Stanadyne, Inc. v. Lins

RICH, Presiding Judge.

This appeal is from the decision of the Patent Office Trademark Trial and Appeal Board dismissing four consolidated oppositions, opinion published in full at 175 U.S.P.Q. 365 (1972). Familiarity with the opinion below will be assumed. We reverse.

As the board’s opinion shows, appellant-opposer, while it sells its plumbing products to plumbing, heating, and cooling wholesalers, also advertises its products, under its double water-drop mark, in consumer magazines of national circulation. Appellant’s priority is not contested. Although third-party registrations introduced by…