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The ornamental design for a tire tread, as shown and described. |
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 a mirror image of that shown;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view of the right side thereof;
FIG. 4 is a side elevational view of the left side thereof; and,
FIG. 5 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 a portion of the tire sidewall and the peripheral boundary between the tire tread and sidewall are for illustrative purposes only and form no part of the claimed design.
Reep, David M., Blankenship, Leonard F., Edwards, Everett J.
Patent | Priority | Assignee | Title |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 04 1998 | EDWARDS, EVERETT J | BRIDGESTONE FIRESTONE RESEARCH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009641 | /0041 | |
Dec 04 1998 | BLANKENSHIP, LEONARD F | BRIDGESTONE FIRESTONE RESEARCH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009641 | /0041 | |
Dec 04 1998 | REEP, DAVID M | BRIDGESTONE FIRESTONE RESEARCH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009641 | /0041 | |
Dec 09 1998 | Bridgestone/Firestone Research, Inc. | (assignment on the face of the patent) | / | |||
Nov 28 2001 | BRIDGESTONE FIRESTONE RESEARCH, INC | BRIDGESTONE FIRESTONE RESEARCH, LLC | ACKNOWLEDGEMENT OF CONVERSION | 012322 | /0614 | |
Nov 30 2001 | BRIDGESTONE FIRESTONE RESEARCH, LLC | Bridgestone Firestone North American Tire, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012333 | /0690 |
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