Interior window covering

Claim 2

An interior window covering adapted to be supported adjacent a window in the manner of a vertical blind, comprising: an inner fabric panel located proximate said window; an outer fabric panel overlaying said inner fabric panel on the side of said inner panel opposite said window, said inner and outer panels providing a solid fabric construction adapted to reduce convective heat transfer through said cocerning, said outer panel being secured to said inner panel by a series of vertical spaced-apart sewn seams, whereby a series of vertical pockets is formed between said inner and outer panels; a plurality of metal slats disposed within said vertical pockets and extending substantially the entire length of said vertical pockets, each of said slats being separated from the next adjacent slat by one of said vertical seams to allow collapsing of said window covering by folding said seams to form a stack of said vertical pockets; and each of said slats having a concave surface and an opposite light reflective convex surace, said slats being inserted into said vertical pockets with said concave reflective surfaces facing said inner fabric panel, thereby creating an air space between said inner fabric panel and said slats, whereby said slat reflective surfaces provide reduced radient heat transfer and said air space provides reduced conductive heat transfer through said covering.

Claim 3

An interior window covering adapted to be supported adjacent a window in the manner of a vertical blind, comprising: an elongated horizontal mounting member having a plurality of movable support members carried thereon; an inner fabric panel located proximate said window and carried by said support members; an outer fabric panel overlaying said inner fabric panel on the side of said inner panel opposite said window and carried by said support members, said outer panel being secured to said inner panel by a series of vertical, spaced-apart sewn seams, whereby a series of vertical pockets is formed between said inner and outer panels, said pockets being arranged in parallel relation normal to the longitudinal axis of said mounting member; a plurality of metal slats disposed within said vertical pockets, and extending substantially the entire length of said vertical pockets, each of said slats being separated from the next adjacent slat by one of said vertical seams to allow collapsing of said window covering by folding said seams to form a stack of said vertical pockets, said slats being bowed members having a concave surface and an opposite convex surface, said slats being inserted into said vertical pockets with said concave surfaces facing said inner fabric panel, thereby creating an air space between said inner fabric panel and said slats; and said window covering being provided in two matching sections of approximately equal width supported by said support members whereby said covering covers said window when said sections are uncollapsed and whereby said window is substantially uncovered when said sections are collapsed.

Claim 4

An interior window covering adapted to be supported adjacent a window in the manner of a vertical blind, comprising: an elongated horizontal mounting member having a plurality of movable support members carried thereon; an inner fabric panel located proximate said window and carried by said support members; an outer fabric panel overlaying said inner fabric panel on the side of said inner panel opposite said window and carried by said support members, said outer panel being secured to said inner panel by a series of vertical, spaced-apart sewn seams, whereby a series of vertical pockets is formed between said inner and outer panels, said pockets being arranged in parallel relation normal to the longitudinal axis of said mounting member; a plurality of metal slats disposed within said vertical pockets, and extending substantially the entire length of said vertical pockets, each of said slats being separated from the next adjacent slat by one of said vertical seams to allow collapsing of said window covering by folding said seams to form a stack of said vertical pockets, said slats being bowed members having a concave surface and an opposite convex surface, said slats being inserted into said vertical pockets with said concave surfaces facing said inner fabric panel, thereby creating an air space between said inner fabric panel and said slats; and said window covering being provided in two matching sections of approximately equal width supported by said support members whereby said covering covers said window when said sections are uncollapsed and whereby said window is substantially uncovered when said sections are collapsed.