US Patent 11603701 Door for mobile living quarters

A door is assembled from a plurality of straight lengths of extrusion, with the lengths of extrusion mated with corners at the top and bottom. The top corners are curved and interference fit to terminal ends of the top and side extrusions. The top and side extrusions have an opening into a cavity. As assembled, a continuous screen groove extends through the corners from the top, bottom, and side extrusions. The door includes transverse extrusions having an enclosed cross-sectional profile that are affixed to the side extrusions with alignment ends. The bottom corners interference fit to terminal ends of bottom extrusions and side extrusions.