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.
Bathtub dimensions and clearances. Standard bathtub dimensions - The smallest standard bath is 5ft x 2 Â½ feet (153cm x 76cm). Whirlpool tubs with dimensions of 5ft x 2 3/4ft or 153cm by 81cm are available. Recommended bathtub clearance - 30 inches (76cm) should be left as clear space along the edge of the bathtub.