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. 21, 1990
Filed:
Oct. 13, 1989
Applicant:
Inventor:
Fredrick A Ethridge, Carmel Station, Charlotte, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ; D02G / ; D02G / ;
U.S. Cl.
CPC ...
28271 ; 28273 ; 28274 ; 28275 ; 28281 ;
Abstract
Strand material, such as yarns, tow or film, is processed through a fluid treatment apparatus which utilizes a polylaminar stack structure to form an elongate strand processing duct which has a strand inlet, a strand outlet, and a duct cross section which changes both in breadth and in height between the inlet and outlet.
Quick Actions:
Ethridge, Fredrick. (1990). Polylaminar apparatus for fluid treatment of yarn (U.S. Patent No. 4949441). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4949441
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile