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.
Shower Niche Height. The ideal height for a bathtub shower niche sits at chest to eye-level when standing -- a height of around 48 to 60 inches, as this height suits most adults.Set aside a 12-by-24 inch space between studs to hold shampoos, rinses, scrubbers and razors.nstall a niche on an opposite or adjacent wall to the showerhead, so items you can access items without reaching through the shower spray. If you need to access the niche while in the bathtub, consider a second niche lower down, or add height to the niche and shelves for access when taking a shower or bath.