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.
Alcove Bathtubs: 4.5 to 6 feet Long; 15 to 20 Inches Wide. Alcove Bathtub. Getty / Neo Vision A bathroom alcove is a space bounded by three walls. In narrow bathrooms, a typical configuration is to situate the alcove width-wise, so that the two long walls of the room form the ends and the back wall forms one side.