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 throughtout 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 tire sidewall and 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.
| D362211 | September 12, 1995 | Lassan et al. |
| D387713 | December 16, 1997 | Lassan et al. |
| D387715 | December 16, 1997 | Miller et al. |
| D410419 | June 1, 1999 | Murata et al. |
| D410420 | June 1, 1999 | De Barsy |
- Dayton Daytona Radial Stag A/T Tire, Jan. 1997 Tread Design Guide, p. 24. 1/1. Road King Trans Trac Radial at Tire, Jan. 1997 Tread Design Guide, p. 65. 3/4. Academy Trans Trac Radial A/T Tire, Jan. 1997 Tread Design Guide, p. 81. 1/5. Barum NB 64 Tire, Jan. 1997 Tread Design Guide, p. 169. 4/4.
Type: Grant
Filed: Jan 29, 1999
Date of Patent: Jan 18, 2000
Assignee: Bridgestone/Firestone Research, Inc. (Akron, OH)
Inventors: Timothy J. Lassan (Kent, OH), William B. Allison (Cuyahoga Falls, OH), Michel Beauvais (Fairlawn, OH)
Primary Examiner: Robert M. Spear
Attorneys: John M. Vasuta, Michael Sand
Application Number: 0/99,842
International Classification: 1215;
