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:
Oct. 13, 2009
Filed:
Jan. 17, 2006
Applicants:
Yoshiaki Tomari, Yokohama, JP;
Katsunori Heishi, Fukushima, JP;
Setsuo Fukuda, Ushiku, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 3/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter is formed by a sintered non-woven metal fiber cloth adapted to be installed in a liquid passage, and, in the filter, a substance sticking to the surface of metal fibers which is present in the outermost part of the filter and in the vicinity thereof is removed together with the surface layer of the metal fibers.