Appeal No. 96-0918 Application 08/059,017 modify the bristles of Wechsler to be of triangular cross- section having at least one edge extending parallel to the bristle’s longitudinal axis in view of Larson’s teachings, and to provide means for releasably attaching the brush to a surface in view of Racioppi’s teachings, "in order to produce a disposable brush having bristles that may dislodge unwanted material from a surface" (answer, page 4). The examiner further explains: Though [Larson] is used to clean hair, it still discloses that it is old and known to provide brushes with non-circular cross sectional bristles in order to provide a scraping action which is highly effective to remove adhering dirt particles from a surface. It would be obvious . . . to modify the bristles of Wechsler to be non-circular as suggested by Larson in order to provide a highly effective scraping action on any surface to remove dirt particles. As to the means for securing the base of the brush to a surface, the Racioppi reference also discloses a brush, this one used to clean razors including bristles and a base and a suction means (21) provided on the base for keeping the brush stationary. . . . It would have been obvious . . . to provide to the brush of Wechsler a suction device as suggested by Racioppi or any other type of securing means in order to selectively secure the brush at a desired position or location. [Answer, pages 6-7.] We will not sustain this rejection. The mere fact that the prior art structure of Wechsler 6Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007