Pneumatic tire tread and buttress

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 fragmentary side elevational view thereof; and,

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

The broken line showing of environmental structure in FIGS. 1, 3 and 4 of the drawing is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D48247 December 1915 Gillen
D55087 May 1920 Schleicher
D63590 December 1923 Schleicher
D97083 October 1935 McEvoy
D242784 December 21, 1976 Newman
D245327 August 9, 1977 Bennett
D261498 October 27, 1981 Baus
D274806 July 24, 1984 Epinat
D294930 March 29, 1988 Slagh
D301857 June 27, 1989 Clunk et al.
D304434 November 7, 1989 Schuller
D305526 January 16, 1990 Graas
D306276 February 27, 1990 Graas
D306989 April 3, 1990 Demaret et al.
D318036 July 9, 1991 Maxwell et al.
Foreign Patent Documents
13584-01 September 1985 XBX
13584-02 September 1985 XBX
Patent History
Patent number: D328269
Type: Grant
Filed: May 10, 1990
Date of Patent: Jul 28, 1992
Assignee: The Goodyear Tire & Rubber Company (Akron, OH)
Inventors: Maurice Graas (Reichlange), Michel Constant (Bastogne)
Primary Examiner: James M. Gandy
Attorney: T. P. Lewandowski
Application Number: 7/521,476
Classifications
Current U.S. Class: D12/146