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:
Jul. 23, 1996
Filed:
Mar. 14, 1994
Ken Yamamoto, Akashi, JP;
Teruo Nakamura, Yokohama, JP;
Sumitomo Rubber Industries, Ltd., Hyogo-Ken, JP;
Abstract
A tennis racket frame comprising a string-installing portion (10), T-shaped in cross section, formed along the entire periphery of a ball-hitting surface thereof. The string-installing portion (10) comprises a projection (20) formed toward the ball-hitting surface in which strings are installed and a base (21) perpendicular to the projection (20). A plurality of gut holes (25) are formed on the projection (20) such that each of the gut holes (25) penetrates through the center thereof. A plurality of gut holes (24) is formed on the bottom surface of a concave (23) of the base (21) such that each of the gut holes (24) penetrates through the center of the base (21).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile