a mechanical pencil, per se, regardless of the shape of the pencil, apart from the configuraton as shown; and applicant further disclaims the exclusive right to the barrel of a mechanical pencil, per se, regardless of the shape, apart from the configuration as shown; disclaims the exclusive right to the clip of a mechanical pencil, per se, regardless of the shape, apart from the configuration as shown; and disclaims the exclusive right to the eraser of a mechanical pencil, per se, regardless of the shape, apart from the configuration as shown