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:
May. 12, 1992
Filed:
Sep. 28, 1990
Applicant:
Inventors:
Walter B Halm, Lippetal, DE;
William J Jones, Jr, Greenville, NC (US);
James F Kirkbride, Wilmington, DE (US);
Ilan Marcus, Versoix, CH;
Adrian C Snyder, Greenville, NC (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D04H / ;
U.S. Cl.
CPC ...
428357 ; 5448 ; 428361 ; 428362 ; 428369 ; 428359 ; 428370 ; 428373 ; 428374 ; 428375 ; 428391 ; 428395 ; 428288 ; 428402 ;
Abstract
Fiberballs for filling uses have been prepared from mechanically-crimped fibers having both a primary crimp and a secondary crimp with specific configurations, especially amplitudes and frequencies. The fiberballs may contain a proportion of other fibers, particularly binder fibers.
Halm, Walter. (1992). Fillings and other aspects of fibers (U.S. Patent No. 5112684). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5112684
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile