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.
Standard Sink Heights. Standard bathroom sink heights range from 29 inches to as much as 36 inches high, depending upon personal preference and the type of sink. For example, pedestal sinks are built between 29 and 33 inches high, while bathroom vanity cabinets with set-in sinks range from 30 to 36 inches in height.tandard bathroom sink heights range from 29 inches to as much as 36 inches high, depending upon personal preference and the type of sink.