Tread element for a wheel or endless track

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Description

FIG. 1 is a top, rear perspective view of a ground engaging tread element for a wheel or endless track, showing my new design;

FIG. 2 is a top, front perspective view thereof;

FIG. 3 is a bottom, rear perspective view thereof; and,

FIG. 4 is a bottom, front perspective view thereof.

Referenced Cited
U.S. Patent Documents
D241734 October 1976 Pfoertner
D285672 September 16, 1986 Igarashi et al.
D303779 October 3, 1989 Bonko
3895845 July 1975 Hale
3950038 April 13, 1976 Wood
4469379 September 4, 1984 Kotyok, Jr.
Patent History
Patent number: D325209
Type: Grant
Filed: Dec 7, 1988
Date of Patent: Apr 7, 1992
Inventor: Phillip J. Rollinson (Myaree)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Handal & Morofsky
Application Number: 7/281,233
Classifications
Current U.S. Class: Element Or Attachment (4) (D15/28); D12/153