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:
Aug. 04, 1992
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Takaharu Okumoto, Chigasaki, JP;
Heihatiro Soeda, Hiratsuka, JP;
Assignee:
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
2731 / ; 2731 / ; 273D / ; 264 453 ; 264D / ;
Abstract
A wood-type metal golf club head comprising a hollow metal head body and a core material filling the inside of the metal head body, wherein the core material is an aggregate prepared by fusing expandable beads comprising a microcapsule of a synthetic polymer and an expanding gas enclosed therein to each other by the expansion of the gas and has a bulk specific gravity of 0.05 to 0.15 g/cm.sup.3.
Okumoto, Takaharu. (1992). Wood-type metal golf club head and process for producing the same (U.S. Patent No. 5135227). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5135227
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile