Design for a tire tread and buttress

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Description

FIG. 1 is a perspective view, partly schematic, of a tire tread and buttress showing my new design, it being understood that the pattern is repeated throughout the circumference of the tire tread and buttress, and the buttress pattern is repeated on the opposite side; and

FIG. 2 is a front elevational view, partly schematic, thereof.

Referenced Cited
U.S. Patent Documents
D251722 May 1, 1979 Tamura et al.
Other references
  • 1971 Tread Design Guide, p. 201, Allstate Logger & Rock Excavator Tire, bottom left side of page. 1971 Tread Design Guide, p. 221, Yokohama Y103 Grip Global Tire, second tire in from top right side of page.
Patent History
Patent number: D260756
Type: Grant
Filed: Feb 5, 1979
Date of Patent: Sep 15, 1981
Assignee: The Goodyear Tire & Rubber Company (Akron, OH)
Inventor: Eathel L. Duncan (Akron, OH)
Primary Examiner: James M. Gandy
Attorney: J. C. Simmons
Application Number: 6/9,006
Classifications
Current U.S. Class: D12/146; D12/147
International Classification: D1215;