Tire tread
Latest Bridgestone/Firestone Research, Inc. Patents:
FIG. 1 is a side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread, the opposite side being the same as that shown;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view of the right side thereof, the opposite side being identical thereto; and,
FIG. 4 is an enlarged fragmentary front elevational view thereof.
The dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIG. 2; the broken lines defining the inner bead of the sidewall and the peripheral boundary between the tire tread and the sidewall are for illustrative purposes only and form no part of the claimed design.
Type: Grant
Filed: Oct 14, 1998
Date of Patent: Nov 2, 1999
Assignee: Bridgestone/Firestone Research, Inc. (Akron, OH)
Inventors: William B. Allison (Cuyahoga Falls, OH), James G. Guspodin (Akron, OH)
Primary Examiner: Robert M. Spear
Attorney: D. A. Thomas
Application Number: 0/94,937
International Classification: 1215;