Pneumatic tire tread and buttress

- Uniroyal, Inc.
Description

FIG. 1 is a perspective view, partly schematic, of a pneumatic tire tread and buttress embodying my new design, it being understood that the pattern is repeated throughout the circumference of the tread and buttress, as shown schematically by solid lines, and that the buttress pattern is repeated on the opposite side;

FIG. 2 is an enlarged, fragmentary developmental plan view of the tread and buttress of FIG. 1; and

FIG. 3 is an enlarged sectional view of the tread and buttress, taken substantially as indicated by line 3--3 of FIG. 2.

Referenced Cited
U.S. Patent Documents
3856067 December 1974 Gorter
D230380 February 1974 Vizina, Jr.
D233228 October 1974 Mehring
Patent History
Patent number: D242785
Type: Grant
Filed: Nov 11, 1974
Date of Patent: Dec 21, 1976
Assignee: Uniroyal, Inc.
Inventor: Arthur C. Blankenship (Howell, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Charles A. Blank
Application Number: 5/522,568
Classifications
Current U.S. Class: D12/147
International Classification: D1215;