logo

For the Inventor, By the Inventor

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.:

US 12275281 B1

PDFFull Text
Date of Patent:
Apr. 14, 2025

Filed:

Jul. 20, 2021

Pneumatic tire

Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventors:

Kenji Hamamura, Hyogo, JP;

Hiroki Kawai, Hyogo, JP;

Subaru Toya, Hyogo, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;

Attorney:

GREENBLUM & BERNSTEIN. P.L.C.

Primary Examiner:

Kendra Ly

Int. Cl.
CPC ...
B60C 3/04 (2005.12); B60C 1/00 (2005.12); B60C 11/00 (2005.12); B60C 11/03 (2005.12);
U.S. Cl.
CPC ...
B60C 3/04 (2012.12); B60C 1/0016 (2012.12); B60C 11/0058 (2012.12); B60C 11/033 (2012.12); B60C 2011/0033 (2012.12); B60C 2011/0341 (2012.12); B60C 2011/0358 (2012.12);
Abstract

A pneumatic tire having a tread, wherein the ground contact surface of the tread is composed of at least two types of rubber compositions different in the thermal conductivity, and the following formulas (1) and (2) are satisfied:1700≤(×π/4)/≤2827.4  (1)[(+1.5×10)/]≤2.88×10  (2)where Wt (mm) is the cross-sectional width and Dt (mm) is the outer diameter of the tire when installed on a standardized rim and inflated to an internal pressure of 250 kPa, and V (mm) is the virtual volume of the space occupied by the tire.

Find Patent Forward Citations

Hamamura, Kenji. (2025). Pneumatic tire (U.S. Patent No. 12275281). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12275281

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…