Patent ID: 7578095

Claim:
An emergency escape window, comprising: an outer frame having at least four sides which define an opening, the outer frame being adapted for fixed installation in a wall of a building, the opening being large enough to permit a person to escape through the opening; latch openings through at least two opposed sides of the at least four sides of the outer frame; an inner frame, having a like number of sides as the outer frame, the sides of the inner frame defining an opening, the inner frame being positioned in the opening of the outer frame; one of a transparent or translucent substrate being positioned in the opening of the inner frame; latch receivers secured to an outer peripheral edge of the inner frame in alignment with each of the latch openings; latch members positioned within each of the latch openings, the latch members being movable between a locking position and a release position, in the locking position the latch members are engaged with the latched receivers to preclude movement of the inner frame relative to the outer frame, the inner frame being secured to the outer frame solely by the latch members engaged with the latch receivers, in the release position the latch members are disengaged from the latch receivers and the inner frame is disengaged from, and freely movable relative to the outer frame, such that the inner frame can be removed to permit escape through the opening of the outer frame.