Patent ID: RE43251

Claim:
A frame for forming an opening in a wall having an inner surface oriented toward space interior of said wall and an outer surface facing toward space exterior of said wall, said frame comprising: a plurality of side members including a first side member, a second side member and third side member, each of which side members are configured to be assembled to define a frame opening with a frame surface oriented toward said opening, each of said plurality of side members being formed to have: a width selected to extend between the inner surface and the outer surface of the wall into which said at least three plurality of side members are to be placed, an inner flange adapted to be positioned proximate said inner surface of said wall, an outer flange adapted to be positioned proximate the outer surface of said wall, a first end and a second end spaced from said first end, said first end of said first side member being configured for positioning adjacent one of said first end and said second end of said second side member, and said second end of said first side member being configured for positioning adjacent one of said first end and said second end of said third side member, a plurality of side by side internal channels formed between said inner flange and said outer flange, said plurality, of side by side internal channels including an outer channel positioned proximate said outer flange and an inner channel positioned proximate said inner flange, each of said plurality of side by side internal channels having a sidewall that is oriented toward said frame opening to be a part of said frame surface; and connector means for holding said first end of said first side member and one of said first end and said second end of the second side member adjacent to and in fixed relation to each other and for holding said second end of said first side member and one of said first end and said second end of said third side member adjacent to and in fixed relation to each other.