Pitching aid

Description

FIG. 1 is a perspective view of the pitching aid of the present design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D330920 November 10, 1992 Schaefer et al.
D331426 December 1, 1992 Riffle et al.
1142184 June 1915 Lawrence
1469130 September 1923 Whitehair
1652062 December 1927 Stauffer
2254986 September 1941 Ziel
2873969 February 1959 Ziel
3810616 May 1974 Murphy
4083562 April 11, 1978 Zepper
4460179 July 17, 1984 Hafer
4629188 December 16, 1986 Mahieo
4781376 November 1, 1988 Barnes, Sr.
4826166 May 2, 1989 Baker et al.
5502274 March 26, 1996 Bidema
Foreign Patent Documents
1227818 October 1906 CAX
Patent History
Patent number: D354992
Type: Grant
Filed: May 4, 1993
Date of Patent: Jan 31, 1995
Assignee: Hinspergers Poly Industries Ltd. (Mississauga)
Inventor: Peter Hinsperger (Mississauga)
Primary Examiner: Prabhakar G. Deshmukh
Law Firm: McFadden, Fincham, Marcus & Antissimoff
Application Number: 0/7,904
Classifications
Current U.S. Class: D21/5