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:
Apr. 27, 1993
Filed:
Oct. 03, 1991
Applicant:
Inventor:
Ren Judkins, Killbuck Township, Allegheny County, PA (US);
Assignee:
Verosol USA Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
160 89 ; 160 841 ; 160108 ;
Abstract
A roller shade is mounted within a headrail and a pleated shade is attached to the bottom of the headrail to form a double layer shade. The two shades are independently operable. When both shades are extended the double layer shade provides a thermally efficient window covering.