E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
108/31
E06B 3/26 (2006.01) E06B 3/28 (2006.01) E06B 3/46 (2006.01)
Patent
CA 1139156
ABSTRACT OF THE DISCLOSURE A dual window assembly comprises an interior window unit adapted to be mounted within an opening in a building wall and an exterior window unit adapted to be mounted on the exterior of the opening. First and second frames of the units have their respective first and second mounting flanges which are secured together by means of connector plates. The invention facilitates the installation of the assembly in combination with an existing interior window unit.
334833
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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