Wheel hub for shopping cart

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Description

FIG. 1 is a perspective view of a shopping cart wheel showing the hub design;

FIG. 2 is a side view of the wheel showing the hub design, the other side being identical;

FIG. 3 is an end view of the wheel; and,

FIG. 4 is a cross section view along section line 4--4 of FIG. 3, showing the wheel hub design.

Referenced Cited
U.S. Patent Documents
D53639 July 1919 Moore
D107515 December 1937 Grange et al.
D276513 November 27, 1984 Honsa
D325011 March 31, 1992 Markling
D328048 July 21, 1992 Markling
D328053 July 21, 1992 Markling
D389101 January 13, 1998 Julien
Patent History
Patent number: D421589
Type: Grant
Filed: Nov 20, 1997
Date of Patent: Mar 14, 2000
Assignee: Heinz Plastics Inc. (Quebec)
Inventor: Ronald Trubiano (Montreal)
Primary Examiner: Doris V. Coles
Assistant Examiner: Stacia Sinuik
Attorney: Swabey Ogilvy Renault
Application Number: 0/79,725
Classifications
Current U.S. Class: Wheel Or Wheel Cover (includes Hub Or Rim) (D12/204)
International Classification: 1216;