Concrete groover

Description

FIG. 1 is a perspective view of a concrete groover showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D24892 November 1895 Crafts
515890 March 1894 Walrath
690839 January 1902 Coyan
967480 August 1910 Wright
1198133 September 1916 Jennings
1490094 April 1924 Daly
1520849 December 1924 Birnbach
1673941 June 1928 Guarino
2389397 November 1945 Zimmerman
2616285 November 1952 Shields
2674005 April 1954 Simon
2701465 February 1955 Johnson et al.
2902855 September 1959 Stoll
3389420 June 1968 Pryor
3608944 September 1971 Terner
3638273 February 1972 Haivala
3744079 July 1973 Krause
3846060 November 1974 Otis
4230441 October 28, 1980 Heronema
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4915610 April 10, 1990 Curry
Foreign Patent Documents
91335 June 1959 NLX
26404 February 1908 SEX
457061 November 1936 GBX
12736 September 1984 GBX
Other references
  • Goldblatt Tools Catalog, 1981 p. 32, Caulking Trowels. The Frederick Tool Corp. catalog page, Jointers.
Patent History
Patent number: D333600
Type: Grant
Filed: Jun 3, 1991
Date of Patent: Mar 2, 1993
Inventor: Christopher J. Brandvold (Chanhassen, MN)
Primary Examiner: Bernard Ansher
Assistant Examiner: P. Hyder
Law Firm: Schroeder & Siegfried
Application Number: 7/709,400
Classifications
Current U.S. Class: D 8/45