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.
Most bathtubs are 5 feet long, and either 30 or 32 inches wide. â¢ To find out what kind of tub you need, face the alcove. The side of the alcove that holds the drain opening determines what type of tub you need: If the drain opening is on the left side, you should look for a left drain tub.