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;
FIG. 2 is a side perspective view opposite of that of FIG. 1 of the tire tread showing our new design;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a side elevational view of FIG. 1;
FIG. 5 is a side elevational view of FIG. 2; and,
FIG. 6 is an enlarged fragmentary front elevational view thereof.
In the drawings, the dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIG. 3. The broken line showings of surface indicia, a tire inner bead and the peripheral boundary between the tire tread and sidewall are for illustrative purposes only and form no part of the claimed design.
Type: Grant
Filed: Nov 17, 1998
Date of Patent: Jan 4, 2000
Assignee: Bridgestone/Firestone Research, Inc. (Akron, OH)
Inventors: Keith A. Dumigan (Akron, OH), Everett J. Edwards (Stow, OH)
Primary Examiner: Robert M. Spear
Attorneys: John M. Vasuta, Michael Sand
Application Number: 0/96,643
International Classification: 1215;