U.S. patent number D447,987 [Application Number D/133,083] was granted by the patent office on 2001-09-18 for tire tread. This patent grant is currently assigned to Bridgestone/Firestone Research, Inc.. Invention is credited to William B. Allison.
United States Patent | D447,987 |
Allison | September 18, 2001 |
Inventors: | Allison; William B. (Cuyahoga Falls, OH) |
---|---|
Assignee: | Bridgestone/Firestone Research,
Inc. (Akron, OH) |
Appl. No.: | D/133,083 |
Filed: | November 21, 2000 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
118635 | Feb 11, 2000 | ||||
Current U.S. Class: | D12/544; D12/564 |
Current International Class: | 1215 |
Field of Search: | ;D12/134-152 ;152/209.1,209.8,209.9,209.11,209.12,209.13,209.28,900,901,902,903 |
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Co-Op country Squire RT Tire, 1999 Tread Design Guide, p. 85 4/2, Jan. 1999.* . Dayton Daytona Stag XT Tire, 1999 Tread Design Guide, p. 89. 1/5, Jan. 1999.. |
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