Tire tread and buttress
Latest The Firestone Tire & Rubber Co. Patents:
- Solvent fractionation of guayule rubber
- Polyurethane prepolymer comprising the reaction product of at least two active hydrogen containing substances with polyisocyanate
- Promoters for radiation induced cross-linking in polymer substances
- Flame resistant acrylonitrile-butadiene styrene compositions
- Tire
Description
FIG. 1 is a perspective view of a tire tread and buttress embodying my new design, it being understood that the pattern is repeated throughout the circumference of the tire tread and buttress, as shown schematically by solid lines, and that the buttress pattern is repeated on the opposite side.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a side elevational view thereof.
The broken lines in the drawing are understood to be for illustrative purposes only.
Referenced Cited
U.S. Patent Documents
Other references
| D204583 | April 1966 | Newman et al. |
| D206848 | January 1967 | Berry |
| D230533 | February 1974 | Wolford |
| D240616 | July 1976 | Gasowski et al. |
| D261496 | October 27, 1981 | Remy |
- 1979Tread Design Guide, p. 73, Remington S.T. Radial Tire, bottom center of page. 1981 Tread Design Guide, p. 23, Centennial Radial Traction Tire, third row down, center of page.
Patent History
Patent number: D274715
Type: Grant
Filed: Mar 15, 1982
Date of Patent: Jul 17, 1984
Assignee: The Firestone Tire & Rubber Co. (Akron, OH)
Inventor: H. Richard Baumgardner (Wadsworth, OH)
Primary Examiner: James M. Gandy
Attorney: Ernst H. Ruf
Application Number: 6/358,122
Type: Grant
Filed: Mar 15, 1982
Date of Patent: Jul 17, 1984
Assignee: The Firestone Tire & Rubber Co. (Akron, OH)
Inventor: H. Richard Baumgardner (Wadsworth, OH)
Primary Examiner: James M. Gandy
Attorney: Ernst H. Ruf
Application Number: 6/358,122
Classifications
Current U.S. Class:
D12/147
