Pneumatic tire tread and buttress

- Uniroyal A.G.

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
D239273 March 1976 Senger
Patent History
Patent number: D243448
Type: Grant
Filed: Mar 4, 1976
Date of Patent: Feb 22, 1977
Assignee: Uniroyal A.G.
Inventor: Gerhard Franz-Josef Senger (Aachen)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: Charles A. Blank
Application Number: 5/663,883
Current U.S. Class: D12/136
International Classification: D1215;