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:
Oct. 23, 2018
Filed:
Sep. 10, 2013
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche ET Technique, S.a., Granges-Paccot, CH;
Olivier Muhlhoff, Clermont-Ferrand, FR;
Jean-Claude Desvignes, Clermont-Ferrand, FR;
Antoine Paturle, Clermont-Ferrand, FR;
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Michelin Recherche et Technique, S.A., Granges-Paccot, CH;
Abstract
A tire made of rubbery material comprising a sidewall and a pattern formed on this sidewall. This pattern comprises a plurality of openings and intermediate zones separating these openings. In order for the pattern to contrast with the sidewall, the openings occupy at least 60% of the pattern, these openings being distributed through the pattern at a density at least equal to five openings per square millimeter (mm), these openings having equivalent diameters of between 0.03 mm and 0.5 mm. A mold element for making the openings and and method of making the pattern using a laser.