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:
Dec. 14, 1982
Filed:
Apr. 08, 1981
Applicant:
Inventor:
Ludwig Hartmann, Kaiserlautern, DE;
Assignee:
Firma Carl Freudenberg, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H / ;
U.S. Cl.
CPC ...
428198 ; 156 622 ; 156 626 ; 264 75 ; 428284 ; 428286 ; 428287 ; 428288 ; 428291 ; 428296 ; 428904 ;
Abstract
Non-woven fabrics made from spun, synthetic polymer filaments and composed of several superposed layers of interbonded monofilaments and multifilament strands deposited in a tangled form; at least segments of the individual filaments of the multifilament strands being disposed parallel to one another with total or partial bonding together of the parallel filaments, and the individual filaments and the multifilament strands being bonded together at least at the points of their random crossings.