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:
Apr. 26, 1988
Filed:
Mar. 31, 1987
Applicant:
Inventor:
Leonard R Lefkowitz, Latham, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428131 ; 428137 ; 428280 ; 428286 ; 428287 ; 428294 ;
Abstract
This invention is directed to a nonwoven fabric having knuckle-free planar surfaces being comprised of (1) parallel linear machine direction yarns residing in a single plane and (2) interconnecting, cross-machine direction polymeric material also residing in said plane and substantially entirely surrounding the machine direction yarns, the cross-machine direction material containing spaced perforations through the fabric. The invention is also directed to the manufacture of such nonwoven fabric.