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 7686707 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 30, 2010

Filed:

May. 17, 2006
Applicants:

Hideo Matsunaga, Saitama, JP;

Wataru Ban, Saitama, JP;

Hideo Shimazaki, Tokyo, JP;

Inventors:

Hideo Matsunaga, Saitama, JP;

Wataru Ban, Saitama, JP;

Hideo Shimazaki, Tokyo, JP;

Assignee:

Bridgestone Sports Co., Ltd., Shinagawa-ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention provides a hollow golf club head having a first viscoelastic body made of a first viscoelastic material and a second viscoelastic body made of a second viscoelastic material with a loss coefficient the temperature dependence of which is different from that of a loss coefficient of the first viscoelastic material.


Find Patent Forward Citations

Matsunaga, Hideo. (2010). Golf club head (U.S. Patent No. 7686707). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7686707

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

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