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:
Sep. 20, 2016
Filed:
Feb. 27, 2015
Sang Mun Lee, Chungcheongbuk-do, KR;
Sang Mun Lee, Chungcheongbuk-do, KR;
Other;
Abstract
A golf club having a face adapted to directly strike a golf ball thereon, a pipe-shaped shaft coupled to the club head, and a grip coupled to the top end periphery of the shaft, includes a first protrusion formed on one side of an internal surface of a face thereof; a second protrusion formed on the rear surface of the interior thereof in such a manner as to face the first protrusion and having a lubricating oil inlet passage formed thereon in such a manner as to be connected to the outside; a spring disposed engagedly between the first protrusion and the second protrusion; a bolt detachably mounted on the entrance of the lubricating oil inlet passage of the second protrusion; and an elastic structure slidingly operating along the spring in such a manner as to surround the spring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile