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A prefabricated window fame with a decorative window subassembly within for use in a building having a window opening in a wall or a door with a rail about its perimeter. The window frame includes a first, or back, member and a second, or front, member overhanging the window subassembly therebetween

A prefabricated window fame with a decorative window subassembly within for use in a building having a window opening in a wall or a door with a rail about its perimeter. The window frame includes a first, or back, member and a second, or front, member overhanging the window subassembly therebetween and fastened together to form a window frame groove matching the window frame rail. The front frame member is mountable on the outside of the window opening and the back frame member is mountable on the inside of the window opening with the window subassembly therebetween. Frame members are identical, symmetric components with one when inverted matching another to comprise front and back frame members. The frame members are secured together by a plurality of fasteners secured to the frame members about their perimeters. The fasteners comprise matching latch hooks or posts with ridges matching frame holes with ridges. The window subassembly comprises a front window pane, a decorative rear window pane, a lattice panel sandwiched between the front window pane and the decorative rear window pane. The lattice panel includes a plurality of latticework elements simulating lead cames or glass solder, the latticework elements interconnecting to define a plurality of open holes in the lattice panel providing visually unobstructed view to the decorative rear window pane and thermal air pockets.

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[ Having described the decorative window assembly, what I claim is as follows:] [1.]1. A decorative window assembly comprisinga front window pane,a decorative rear window pane,a lattice panel sandwiched between the front window pane and the decorative rear window pane, the lattice panel comprising a

[ Having described the decorative window assembly, what I claim is as follows:] [1.]1. A decorative window assembly comprisinga front window pane,a decorative rear window pane,a lattice panel sandwiched between the front window pane and the decorative rear window pane, the lattice panel comprising a plurality of latticework elements having the appearance of lead cames or glass solder, the latticework elements interconnecting to define a plurality of open holes in the lattice panel providing visually unobstructed view to the decorative rear window pane, the front window pane, the decorative rear window pane, and the lattice panel defining a window pane subassembly,a window frame with a frame center opening, the frame around the perimeter of the window pane subassembly with the window pane subassembly filling the frame center opening.