Tire tread

- Bandag Incorporated
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Description

FIG. 1 is a fragmentary perspective view of a tire tread illustrating the novel design;

FIG. 2 is an enlarged fragmentary top plan view of the tire tread illustrated in FIG. 1;

FIG. 3 is an enlarged fragmentary side elevational view of the tire tread illustrated in FIGS. 1 and 2, with the opposite side elevational view of the tire tread being identical to that shown in FIG. 3; and,

FIG. 4 is an enlarged fragmentary cross-sectional view taken generally along lines 4--4 of FIG. 2.

The irregular outer edges of the design shown in FIGS. 1-3 indicate that the tire tread is of indeterminate length.

Referenced Cited
U.S. Patent Documents
D170691 October 1953 Hawkinson
D210438 March 1968 Hawkinson
D221040 June 1971 Ravenhall
D223184 March 1972 Felker
D236709 September 1975 Ravenhall
D244926 July 5, 1977 Robertson
D264701 June 1, 1982 Corner
D265183 June 29, 1982 Amarger
2779378 January 1957 Robertson
4266592 May 12, 1981 Takigawa et al.
Other references
  • Denman Front Wheel Super Backhoe II Tire, 1996 Tread Design Guide, p. 189, Feb. 1996.
Patent History
Patent number: D415720
Type: Grant
Filed: Jul 28, 1998
Date of Patent: Oct 26, 1999
Assignee: Bandag Incorporated (Muscatine, IA)
Inventors: Herbert J. Roelle (Muscatine, IA), Junhai Cai (Muscatine, IA)
Primary Examiner: Robert M. Spear
Law Firm: Foley & Lardner
Application Number: 0/91,342
Classifications
Current U.S. Class: D12/143
International Classification: 1215;