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:
Jan. 07, 2003
Filed:
Apr. 13, 2000
Applicant:
Inventors:
Tomoko Iwasaki, Chiba-ken, JP;
Kenichi Ohara, Gunma-ken, JP;
Akira Sugiyama, Kanagawa-ken, JP;
Naoya Ouchi, Saitama-ken, JP;
Assignee:
Pentax Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/00 ;
U.S. Cl.
CPC ...
A61B 1/00 ;
Abstract
A flexible tube for an endoscope is provided with an outer tube member. A synthetic resin layer is formed on an outer circumferential surface of the outer tube member. A coating layer is further formed on the outer circumferential surface of the synthetic resin layer. The outer circumferential surface of the synthetic resin layer is provided with at least one groove or protrusion.