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:
Sep. 02, 1997
Filed:
Mar. 06, 1996
Applicant:
Inventors:
Allen D Polowinczak, Plainfield, IL (US);
James J Prete, Hinsdale, IL (US);
Michael P Bratcher, Munster, IN (US);
Mark V Murphy, Chicago, IL (US);
Assignee:
Ashland Products, Inc., Lowell, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E05F / ;
U.S. Cl.
CPC ...
49447 ; 49446 ;
Abstract
A slidable counterbalance assembly adapted for a sash window assembly disposed within a master frame is disclosed. A coiled leaf spring mounted on the counterbalance assembly has its upper end attached to the top of the guide rail channel of the master frame. A flexible strap is attached at one end to the sash window pivot brake and at the other end to the counterbalance assembly.