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Trailer hitch ball
D443567 Trailer hitch ball
Patent Drawings:Drawing: D443567-2    Drawing: D443567-3    
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(2 images)

Inventor: Weir, et al.
Date Issued: June 12, 2001
Application: D/132,885
Filed: November 17, 2000
Inventors: Kryfka; Richard (Palatine, IL)
Weir; Wendell W (Palatine, IL)
Primary Examiner: Cadmus; Stacia
Assistant Examiner:
Attorney Or Agent:
U.S. Class: D12/162
Field Of Search: D12/162; D12/400; 280/415; 280/416; 280/504; 280/510; 280/511; 280/512; 280/513; 280/493; 280/494; 280/495; 280/491.3
International Class:
U.S Patent Documents: D157643; D158372; D173549; D317890; D342472; D359018; D401197; D404349; D404696; D409537; D417177; D431216; D431504; D436065; 4248450; 4522421; 5419576
Foreign Patent Documents:
Other References:

Claim: The ornamental design for a trailer hitch ball, as shown and described.
Description: FIG. 1 is a top, rear perspective view of the trailer hitch ball of the present invention;

FIG. 2 is an enlarged front view of the trailer hitch ball of FIG. 1, the rear view being a mirror image thereof;

FIG. 3 is an enlarged left side elevational view of the trailer hitch ball of FIG. 1;

FIG. 4 is an enlarged right side elevational view of the trailer hitch ball of FIG. 1;

FIG. 5 is an enlarged top plan view of the trailer hitch ball of FIG. 1; and,

FIG. 6 is an enlarged bottom plan view of the trailer hitch ball of FIG. 1.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design.

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