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. 11, 2000
Filed:
Mar. 12, 1998
Applicant:
Inventor:
Heinrich Hans Laun, Augsburg, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L / ; D04H / ;
U.S. Cl.
CPC ...
442402 ; 442383 ; 442403 ; 442407 ; 15208 ; 152091 ; 152441 ;
Abstract
A textile surface-area material used for cleaning, having a non-woven material and structures raised over the non-woven material. The structures are on both sides of the surface-area material. The structures can be full-surface or partial surfaces, and the base non-woven material can have structures, staggered on both sides, formed by structure needling. Spacings can be maintained between the structures which corresponds at least to a dimension of the structure on the opposite side. The non-woven can have at least two layers, laminated together, of a non-woven material provided on one side with structures.