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. 08, 1998
Filed:
Feb. 14, 1997
Daikyo Seiko, Ltd., Tokyo, JP;
Abstract
A rubber plug for a drug vessel has at least one convexity formed on a surface of the rubber plug so that the rubber plug is prevented from sticking together, joining together under compression or joining together under suction with another rubber plug of a similar type. The convexity may preferably be a grain pattern formed on at least a part of the surface of the rubber plug by transferring same from a mold. A rubber plug for a drug vessel may also be composed of a leg portion and a head portion formed integrally with the leg portion and may have at least one convexity on at least one of the leg portion and the head portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile