Part 1 Conducting Research. Understand what inventions or ideas are eligible for a patent. You can patent your idea if it's a process, a machine, an article of manufacture, a composition of matter, or an improvement of any of these.
Quick Answer. The standard size of a bathtub is 60 inches long, 32 inches wide and 18 inches tall. Standard-sized tubs are designed to fit into an alcove, surrounded by three walls. Alcove tubs are available in a wide variety of materials.
If you are taller or use extra-large bath sheets, consider raising them to 48 or 50 inches (122 to 127 centimeters). Most ceilings will be 8 feet high in smaller bathrooms. In the sketch shown, the top of the mirror and the top of the tile in the shower align with the top of the window.