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:
Nov. 01, 1977
Filed:
Feb. 18, 1977
John Battista Gallini, Richmond, VA (US);
Gerald Dean Hauxwell, Richmond, VA (US);
Christopher Roger Whitfield, Richmond, VA (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A yarn guide comprising a rotatably mounted circumferentially grooved cylindrical bar having as part of the bar surface a smoothly recessed, relatively flat area advancing helically less than a complete turn along the the length of the bar, the relatively flat area being uniformly recessed to a depth such that at least part of the recessed area is devoid of grooves. The guide permits step-wise engagement of a multiplicity of yarns.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile