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.
A: 35 to 40 gallons for typical tub A: The average bathtub will hold 40 to 60 gallons when completely filled. A: Depends on how big the bathtub is but average bathtub size is about 80 liters. A: Typically data on water conservation use a bathtub volume of 25 to 340 gallons for comparison with showers.