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:
Jun. 12, 2001
Filed:
Oct. 02, 2000
Shigeru Oike, Aichi, JP;
The Pilot Ink Co., Ltd., Aichi, JP;
Abstract
The writing implement,comprises a shaft barrel,and a tail plug,. The shaft barrel,includes an ink storing body,stored in an interior portion thereof and a pen point,mounted on a front end portion thereof. The tail plug,is removably mounted on an opening formed at the rear end of the shaft barrel,. The tail plug,includes a flange portion,which is provided backwardly of the rear end portion of the shaft barrel,. Between the front surface of the flange portion,and the rear end portion of the shaft barrel,, there is formed a groove,for forcibly opening. The groove,is formed more deeply inwardly in the diameter direction of the shaft barrel,than the inner surface of the rear end opening of the shaft barrel