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. 15, 2007
Filed:
Oct. 22, 2004
Applicant:
Johannes Robertus Maria Franssen, Breda, NL;
Inventor:
Johannes Robertus Maria Franssen, Breda, NL;
Assignee:
Hunter Douglas Industries BV, El Rotterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B 3/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cord tensioner for the guide cords of a cord-guided window blind with movable rails holding a blind material. The cord tensioner, located at one of the rails, is a helically wound, extension spring with an integral extension limiter, extending axially through the spring, to prevent it from being overextended.