Pneumatic tire tread and buttress

- Kumho & Co, Inc
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Description

FIG. 1 is a perspective view of a pneumatic tire tread and buttress showing our new design, it being understood that the tread pattern repeats uniformly throughtout the circumference of the tire tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof with the opposite side being a mirror image thereof; and,

FIG. 4 is a greatly enlarged fragmentary perspective view thereof.

In the drawings, the dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown in FIG. 2.

Referenced Cited
U.S. Patent Documents
D364370 November 21, 1995 Weimer et al.
4723584 February 9, 1988 Yamaguchi et al.
Other references
  • Kumho Grip Max Tire, 1997 Tread Design Guide, p. 45, Jan. 1997. Dayton Drive Radial Deep Skid Tire, 1997 Tread Design Guide, p. 134, Jan. 1997.
Patent History
Patent number: D414448
Type: Grant
Filed: Dec 17, 1998
Date of Patent: Sep 28, 1999
Assignee: Kumho & Co, Inc (Kwangju)
Inventors: Edward P Cercek (Mogadore, OH), Mark D Slingluff (North Canton, OH)
Primary Examiner: Robert M. Spear
Attorneys: Paul E Milliken, Ray L Weber, Lee A Germain
Application Number: 0/97,920
Classifications
Current U.S. Class: D12/143; D12/147
International Classification: 1215;