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. 17, 1999
Filed:
Jul. 14, 1997
Applicant:
Inventors:
Assignee:
YKK Architectural Products Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E06B / ; E06B / ; E06B / ;
U.S. Cl.
CPC ...
522041 ; 52210 ; 52235 ; 526565 ; 49DI / ;
Abstract
A multi-window sash including: a frame structure; a plurality of sash units, to each of which a panel is mounted which are connected with each other in a panel width direction, each of the sash units including bilateral vertical frame members, an upper frame member and a lower frame member which constitute a rectangular frame of the sash unit in combination thereof; and a mullion structure connecting adjacent two sash units and including at least a mullion having an expandable structure.