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A muntin grid (34) is provided having a plurality of muntin bars (36) joined at intersecting points to form a grid (34). The grid (34) further has a plurality of muntin bar ends (38) located near a periphery of the grid (34), each muntin bar end (38) having a depending tab (39). A muntin clip (40) i

A muntin grid (34) is provided having a plurality of muntin bars (36) joined at intersecting points to form a grid (34). The grid (34) further has a plurality of muntin bar ends (38) located near a periphery of the grid (34), each muntin bar end (38) having a depending tab (39). A muntin clip (40) is provided for receiving the tab (39) wherein the tab attaches the clip (40) to the muntin bar end (38).

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What is claimed is: 1. A window muntin clip comprising: a base having first and second opposed surfaces; a mount structure having a plurality of flexible latch fingers extending from the first surface of the base and adapted for connection to a spacer frame; a bar support extending from the second

What is claimed is: 1. A window muntin clip comprising: a base having first and second opposed surfaces; a mount structure having a plurality of flexible latch fingers extending from the first surface of the base and adapted for connection to a spacer frame; a bar support extending from the second surface of the base, the bar support adapted to be received by a muntin bar end; and a first slot and a second slot positioned through the base on opposing sides of the bar support, the first slot and second slot being unobstructed when the bar support extends directly from and is in contact with the second surface of the base. 2. The window muntin clip of claim 1, wherein the first slot and second slot are located on the base and extend from the first surface to the second surface of the base. 3. The window muntin clip of claim 1, wherein the first slot and the second slot are each adapted to receive a portion of the muntin bar end. 4. The window muntin clip of claim 3, wherein the muntin bar end comprises a first tab and a second tab, the first slot adapted to receive the first tab and the second slot adapted to receive the second tab. 5. The window muntin clip of claim 1, wherein the first slot comprises a passage extending from the first surface of the base to the second surface of the base. 6. The window muntin clip of claim 1, wherein the first slot comprises a first indentation located on a first edge of the base and the second slot comprises a second indentation located on a second edge of the base. 7. The window muntin clip of claim 1, further comprising a third slot and a fourth slot positioned on opposing sides of the bar support. 8. The window muntin clip of claim 7, wherein the third slot and the fourth slot are each adapted to receive a portion of the muntin bar end. 9. The window muntin clip of claim 7, further comprising a fifth slot and a sixth slot positioned on opposing sides of the bar support. 10. The window muntin clip of claim 9, wherein the fifth slot and the sixth slot are each adapted to receive a portion of the muntin bar end. 11. The window muntin clip of claim 9, further comprising a seventh slot and an eighth slot positioned on opposing sides of the bar support. 12. The window muntin clip of claim 11, wherein the seventh slot and the eighth slot are each adapted to receive a portion of the muntin bar end. 13. The window muntin clip of claim 1, wherein the mount structure comprises a pair of latch bodies, each having a resiliently flexible latch finger attached thereto. 14. A window muntin clip comprising: a base having first and second opposed surfaces; a mount structure having a plurality of flexible latch fingers extending from the first surface of the base and adapted for connection to a spacer frame; a bar support extending from the second surface of the base, the bar support adapted to be received by a window muntin bar end; a first pair of opposed slots extending from the first surface of the base to the second surface of the base and separated by a first distance, each adapted to receive a portion of a window muntin bar end having a width substantially equal to the first distance; and a second pair of opposed slots extending from the first surface of the base to the second surface of the base and separated by a second distance, each adapted to receive a portion of a window muntin bar end having a width substantially equal to the second distance, wherein the first pair of opposed slots and the second pair of opposed slots are unobstructed when the bar support extends directly from and is in contact with the second surface of the base. 15. The window muntin clip of claim 14, further comprising a third pair of opposed slots separated by a third distance, each adapted to receive a portion of a window muntin bar end having a width substantially equal to the third distance. 16. The window muntin clip of claim 14, further comprising a fourth pair of opposed slots separated by a fourth distance, each adapted to receive a portion of a window muntin bar end having a width substantially equal to the fourth distance. 17. A muntin bar assembly comprising: a muntin bar comprising a generally tubular hollow body having a first end and a second end, the first end having a set of opposed tabs thereon, the tabs having a width; and a muntin clip comprising a mount structure adapted for connection to a spacer frame, the muntin clip having a first pair of opposed slots positioned on opposed sides of the bar support, the muntin clip having a second pair of slots positioned on opposed sides of the bar support, wherein the muntin bar is connected to the muntin clip such that the opposed tabs are received by one of the first pair of slots and the second pair of slots, the tabs being bent to interfere with the muntin clip and thereby secure the muntin bar to the muntin clip. 18. The muntin bar assembly of claim 17 wherein the first pair of slots have a first width and the second pair of slots have a second width, the second width being greater than the first width, wherein the opposed tabs of the muntin bar have a width generally corresponding to one of the first width and the second width. 19. The muntin bar assembly of claim 17 wherein each second slot is in communication with a respective first slot wherein the second slots extend beyond the first slots. 20. The muntin bar assembly of claim 19 further comprising a third pair of opposed slots positioned generally transverse to the first pair of slots and being spaced away from the bar support. 21. The muntin bar assembly of claim 20, wherein the muntin bar is connected to the muntin clip such that the opposed tabs are received by one of the first pair of slots, second pair of slots, and the third pair of slots, the tabs being bent to interfere with the muntin clip and thereby secure the muntin bar to the muntin clip. 22. The muntin bar assembly of claim 21, further comprising a fourth pair of opposed slots positioned generally transverse to the first pair of slots and being spaced away from the bar support. 23. The muntin bar assembly of claim 22, wherein the muntin bar is connected to the muntin clip such that the opposed tabs are received by one of the first pair of slots, second pair of slots, third pair of slots, and the fourth pair of slots, the tabs being bent to interfere with the muntin clip and thereby secure the muntin bar to the muntin clip. 24. The muntin bar assembly of claim 23 wherein the fourth pair of opposed slots are spaced away from the bar support a greater distance than the third pair of opposed slots.