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. 10, 2002
Filed:
Oct. 19, 2000
Applicant:
Inventors:
Junichi Koyama, Nagano-ken, JP;
Yukio Taniguchi, Saitama-ken, JP;
Takamitsu Yoshida, Saitama-ken, JP;
Yoshiro Imamura, Saitama-ken, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 2/44 ; A61F 2/36 ;
U.S. Cl.
CPC ...
A61F 2/44 ; A61F 2/36 ;
Abstract
A keyhole button used as a supplement of a keyhole portion formed on a cranium is constituted to have a brim portion having front and back surfaces, and a shaft portion integrally provided on the back surface of the brim portion. The front surface of the brim portion is convexed in a first direction, and concaved in a second direction that is perpendicular to the first direction.
Koyama, Junichi. (2002). Keyhole button (U.S. Patent No. 6491725). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6491725
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile