Tire tread and buttress

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Description

FIG. 1 is a perspective view of a 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 elevation view thereof;

FIG. 3 is a fragmentary side elevation view thereof.

The broken line showing of environmental structure in FIGS. 1 and 3 of the drawing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D253467 November 20, 1979 Ezura et al.
D253644 December 11, 1979 Peron
D256907 September 16, 1980 Baus et al.
D263459 March 23, 1982 Nilsson et al.
D269338 June 14, 1983 Kojima et al.
D287840 January 20, 1987 Ono
Foreign Patent Documents
8003199.8 April 1981 DEX
Other references
  • 1989 Tread Design Guide, p. 17, Bridgestone RCOT SF-375 Tire & RD-212 Steel Tire, top left & right side of page respectively.
Patent History
Patent number: D320964
Type: Grant
Filed: Feb 5, 1990
Date of Patent: Oct 22, 1991
Assignee: The Goodyear Tire & Rubber Company (Akron, OH)
Inventors: Robert L. Crump (Cumberland, MD), Ronald T. Harris (Greenspring, WV), Roger R. Riffle (Ridgeley, WV)
Primary Examiner: James M. Gandy
Attorneys: T. P. Lewandowski, L. R. Drayer
Application Number: 7/474,890
Classifications
Current U.S. Class: D12/146