Pneumatic tire tread and buttress

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Description

FIG. 1 is a perspective view of a pneumatic tire tread and buttress showing our new design, it being understood that the pattern is repeated throughout the circumference of the tread and buttress, the opposite side being substantially the same as that shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is an enlarged fragmentary front elevational view thereof.

Referenced Cited
U.S. Patent Documents
4700762 October 20, 1987 Landers
Other references
  • 1989 Tread Design Guide, p. 66, Semperit Top-Speed Tire, second row down from top, left side of page.
Patent History
Patent number: D328729
Type: Grant
Filed: May 2, 1990
Date of Patent: Aug 18, 1992
Assignee: The Goodyear Tire & Rubber Company (Akron, OH)
Inventors: Paul B. Maxwell (Akron, OH), Rudy E. Consolacion (Cuyahoga Falls, OH), William E. Egan (Tallmadge, OH), Martin F. Johns (Copley, OH)
Primary Examiner: James M. Gandy
Attorneys: T. P. Lewandowski, L. R. Drayer
Application Number: 7/520,344
Classifications
Current U.S. Class: D12/147