Patent Appeal No. 6370. June 18, 1958. Rehearing Denied October 1, 1958. Frederick E. Hane, New York City (Hane Nydick and Abraham J. Nydick, New York City, of counsel), for appellant. Bernard J. Levy, New York City (Brower, Brill Gangel, New York City, of counsel), for appellee. Before JOHNSON, Chief Judge, and O'CONNELL, WORLEY, and RICH, Judges. JOHNSON, Chief Judge. A petition has been filed to cancel the registration of "Camart" for cameras, camera dollies and parts thereof, tripods and boom