Reinforcement bar support chair

Description

FIG. 1 is a left side, top and partial front perspective view of a reinforcement bar support chair showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a left side elevational view thereof, the side opposite being a mirror image.

Referenced Cited
U.S. Patent Documents
D223701 May 1972 Lausch
D232807 September 1974 Toner
D271847 December 20, 1983 Hernandez
953091 March 1910 Jones
977704 December 1910 Brownlee
1133801 March 1915 Hough
1439737 December 1922 Hough
1570814 January 1926 Wooley, Jr.
2070577 February 1937 Bowman et al.
3094745 June 1963 Stoud
Foreign Patent Documents
2419372 November 1979 FRX
404154 June 1966 CHX
Patent History
Patent number: D288407
Type: Grant
Filed: Aug 8, 1984
Date of Patent: Feb 24, 1987
Assignee: The Reinforcement Bar Spacer Co. Pty Ltd (Holden Hill)
Inventor: John W. St. Alban (Adelaide)
Primary Examiner: James M. Gandy
Assistant Examiner: Horace B. Fay
Application Number: 6/638,899
Classifications
Current U.S. Class: D/8354