Concrete mixer

Description

FIG. 1 is a left side view of a concrete mixer, showing my new design, the right side being identical;

FIG. 2 is a top view;

FIG. 3 is a rear end view;

FIG. 4 is a front end view;

FIG. 5 is a left side view thereof, shown in a tilt position.

Referenced Cited
U.S. Patent Documents
D246715 December 20, 1977 Clement
D256800 September 9, 1980 Deen
D278150 March 26, 1985 Burenga
D299722 February 7, 1989 Mehr
2805053 September 1957 Smith
3612490 October 1971 Bopp et al.
Other references
  • Domus 602, Jan. 1980, p. 46, mixer in center.
Patent History
Patent number: D319832
Type: Grant
Filed: Nov 24, 1989
Date of Patent: Sep 10, 1991
Inventor: Robert H. Ross (Brownwood, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Application Number: 7/440,753
Classifications