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:
Aug. 17, 1999
Filed:
May. 23, 1997
Applicant:
Inventors:
Lap-Tak Andrew Cheng, Newark, DE (US);
Carmen Anoish Covelli, Hockessin, DE (US);
Robert Lee Rackley, Parkersburg, WV (US);
Teh-Chuan Wang, Parkersburg, WV (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; D02G / ; D02G / ;
U.S. Cl.
CPC ...
428 92 ; 428 93 ; 428 95 ; 428 96 ; 428 97 ; 428373 ;
Abstract
This invention provides moisture stable tuftstring carpet assemblies. The pile surface structure comprises a moisture stable backing substrate, a plurality of elongated pile articles each comprising an elongated, moisture stable support strand having bonded thereto a plurality of 'U' shaped bundles of multifilament yarn. The pile articles are bonded to the backing substrate. Different backing substrates and support strands may be used.