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. 24, 2012
Filed:
Dec. 28, 2007
Applicant:
Kikuo Yamada, Shinagawa-ku, JP;
Inventor:
Kikuo Yamada, Shinagawa-ku, JP;
Assignee:
Kikuo Yamada, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 13/12 (2006.01); A47L 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a cleaning sheet in which a plurality of fiber bound materials produced by bundling a lot of fibers is joined on a base sheet, and at least adjacent two bound fiber materials have respectively different length in the longitudinal direction of the fibers, to constitute a cleaning portion and which can sufficiently wipe off even relatively large dirt particles.