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. 16, 2002
Filed:
Jan. 03, 1997
Applicant:
Inventors:
Arun Pal Aneja, Greenville, NC (US);
Robert Kenneth Roop, Greenville, NC (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01D 4/00 ;
U.S. Cl.
CPC ...
D01D 4/00 ;
Abstract
Novel spinnerets for producing multi-grooved filaments have a row of apertures connected by slots that correspond to the grooves in the periphery of the resulting filaments.