Patent ID: 7458126

Claim:
An applicator for applying a substance to nails, comprising: a rod having an end portion including a housing and an opening to said housing formed therein, said housing and said opening having an elongated transverse cross-section with a long axis, said housing having a plurality of corners in said transverse cross-section, said rod including a wall around said housing that varies in thickness in said transverse cross-section, a minimum distance between one of said corners and an outside surface of said wall defining a first wall thickness, and a distance along said long axis between a longitudinal end of said housing and said outside surface of said wall defining a second wall thickness greater than said first wall thickness, said rod having formed therein only one groove or only two grooves situated opposite each other, said only one groove or said only two grooves extending along at least a portion of said rod and being situated substantially mid-way along said long axis; and bristles fixed in said housing and having a portion projecting therefrom.