Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Venetian blind type
Patent
1995-04-03
1997-05-06
Johnson, Blair
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Venetian blind type
160173, 1601781, 160180, 524053, E06B 930
Patent
active
056261756
ABSTRACT:
An improvement in clear plastic film indoor window insulation kits. The improvement provides a way to open and to close roller window shades or venetian blinds attached to inside window frames after a sheet of clear plastic film has been stretched across the window and secured to the window's casing. The plastic film indoor window insulation kit has reinforced ports which allows roller shade and venetian blind controls to be operated through the reinforced access ports, without removing or damaging the clear plastic film.
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Johnson Blair
Lev Bruce A.
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