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:
Jul. 03, 1990
Filed:
Jan. 09, 1989
Applicant:
Inventors:
Mitsuru Honda, Kashiwa, JP;
Atsushi Koike, Chiba, JP;
Tomohiro Kimura, Ueno, JP;
Kyosuke Ogawa, Nabari, JP;
Keiichi Murai, Kasbiwa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 69 ;
Abstract
A surface-treated metal body comprises a metal body having a plurality of spherical indent recesses as irregularities formed on the surface, and further having fine irregularities formed in the spherical indent recesses.