The Russell Chemical Company v. Wyandotte Chemicals Corporation

SMITH, Judge.

Appellant-petitioner is the owner of a registration on the mark “SENTROL” for “Dish Washing Solution,” 1 and appeals the decision of the Trademark Trial and Appeal Board (see 137 USPQ 908) dismissing its petition to cancel two Principal Register registrations owned by appellee. Appellee’s registrations both cover the mark “SENTOL,” one for “Industrial-Type Detergent Powder For Cleaning Dairy Equipment,” 2 and the other for “Industrial-Type Liquid Detergent For Cleaning Dairy Equipment.” 3 The stipulated facts establish that appellant’s first use in commerce antedated that of…