Multi-window sash and batten attachment structure
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United States of America Patent
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Aug 17, 1999
Grant Date -
N/A
app pub date -
Jul 14, 1997
filing date -
Jul 18, 1996
priority date (Note) -
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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.
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