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.
The Americans with Disabilities Act standards for vanity heights with built-in sinks cites 29 inches for the minimum and 34 inches for the maximum height of the sink and cabinet. The top of these sinks lay flush with the cabinet. The average height of a vanity with a built-in sink is 32 inches high. But the National Bath and Kitchen Association sets the standard height between 32 to 43 inches to best fit a variety of users.