Lightweight snow throwers of a type using a powered impeller disposed on a transverse horizontal axis and an upwardly and forwardly directed discharge chute with directional vanes are shown in U.S. design Pat. Nos. 241,762, 205,531, 209,305 and 208,199; in U.S. Pat. Nos. 3,359,661 and 3,452,460 and in Norweigian patent 74,014. Vehicular mounted snow throwers having vanes for directing the discharge of snow are shown in U.S. Pat. Nos. 2,498,522 and 2,706,864.
USPTO Backgrounds
USPTO Backgrounds