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, 2005
Filed:
Sep. 08, 2004
Syuji Ichikawa, Yokohama, JP;
Takayuki Ikai, Yokohama, JP;
Miyuki Shouji, Yokohama, JP;
Daisen Katou, Yokohama, JP;
Takeshi Kobayashi, Yokohama, JP;
Syuji Ichikawa, Yokohama, JP;
Takayuki Ikai, Yokohama, JP;
Miyuki Shouji, Yokohama, JP;
Daisen Katou, Yokohama, JP;
Takeshi Kobayashi, Yokohama, JP;
Mitsubishi Pencil Co. Ltd., Tokyo, JP;
Abstract
A refill for an oil-based ink ballpoint pen which inhibits starving at the beginning of writing and protects a pen point and which inhibits an ink solvent from absorbing moisture from the outside and volatilizing with the passage of time and is excellent in making writing feeling soft and smooth. The refill for an oil-based ink ballpoint pen includes a volatilization-inhibiting seal member, for example, a sealing coat prepared by melting and solidifying an olefin base thermoplastic sticking agent is formed at the point part a tip of a refill for an oil-based ink ballpoint pen charged with a volatile oil-based ink having a specific physical property. The refill can be charged into a defined oil-based ink ballpoint pen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile