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:
Dec. 21, 1976
Filed:
Jul. 10, 1975
Applicant:
Inventors:
Mitsuhiro Inoue, Shimodate, J;
Yo Maeda, Yuki, J;
Kohei Tsumura, Shimodate, J;
Syozo Ohashi, Shimodate, J;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, J;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ; 273D / ;
Abstract
A golf club shaft made of a filament reinforced resin wherein a group of filaments are wound at a winding angle of 10.degree. or less and another group of filaments are wound at a winding angle of 25.degree. to 65.degree. and capable of much reducing the torsion of the shaft, reducing the weight of the shaft, increasing the bending strength of the shaft and increasing the flying distance of a golf ball.
Inoue, Mitsuhiro. (1976). Golf club shaft (U.S. Patent No. 3998458). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3998458
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile