The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 2012
Filed:
Oct. 17, 2008
Fardad Niknam, Rochester Hills, MI (US);
Hinnerk Kaiser, Hanover, DE;
Matthew Lamb, Waxhaw, NC (US);
Fardad Niknam, Rochester Hills, MI (US);
Hinnerk Kaiser, Hanover, DE;
Matthew Lamb, Waxhaw, NC (US);
Continental Tire North America, Inc., Charlotte, NC (US);
Abstract
A pneumatic tire () has an inner shoulder (), an outer shoulder () and a tread () therebetween. The tread includes a plurality of circumferential grooves) dividing the tread into a plurality of ribs including inner and outer shoulder ribs ('), inner and outer intermediate ribs (′) between the shoulder ribs and a central rib () between the intermediate ribs. First sipes () are provided in the shoulder ribs and the central rib. Each first sipe has an interlocking shape. Second sipes () are provided in the intermediate ribs. Each second sipe has a shape different from that of the first sipes. Third sipes () are provided in the intermediate ribs. Each third sipe has a shape different from that of the first and second sipes.