US Patent 10464617 Modular sidewall for passenger vehicle

A modular sidewall for a passenger vehicle. The modular sidewall comprises an outer frame, and a plurality of individual sections configured to be secured together at least partially within the outer frame. The plurality of individual sections includes a main section presenting at least one window opening configured to receive a window, and a standard section presenting at least one window opening configured to receive a window. The said standard section has a width that is smaller than a width of said main section. The modular sidewall may also include a seat rail for supporting one or more seats within the passenger vehicle.