Tire tread and buttress

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Description

FIG. 1 is a perspective view of a tire tread and buttress embodying our 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.

FIG. 4 is an enlarged, fragmentary developmental plan view thereof.

Referenced Cited
U.S. Patent Documents
D207896 June 1967 Maxemovich et al.
D208132 July 1967 Wittenmyer
D220739 May 1971 Bartlett
D222322 October 1971 Pope
D251187 February 27, 1979 Mirtain et al.
D253642 December 11, 1979 Amarger
D261380 October 20, 1981 Amarger
D262281 December 15, 1981 Candiliotis
Other references
  • 1981 Tread Design Guide, p. 112, Alliance Radial Steel Belted 242 Tire, second row down & second tire in from right side. 1979 Tread Design Guide, p. 247, Fasco-402 & 402 R Bias Radial 78-70 Passenger Highway Tire, top center of page.
Patent History
Patent number: D277174
Type: Grant
Filed: Sep 17, 1982
Date of Patent: Jan 15, 1985
Assignee: The Firestone Tire & Rubber Company (Akron, OH)
Inventors: A. Robert Casimiro (Akron, OH), Bill J. Wallet (Marshallville, OH)
Primary Examiner: James M. Gandy
Attorney: Ernst H. Ruf
Application Number: 6/419,335
Classifications
Current U.S. Class: D12/142