Patent ID: 7992231

Claim:
A urinal comprising: (a) an outer body comprising a rear wall having a top and a bottom, a top surface projecting outwardly from the top of the rear wall, a bottom surface projecting outwardly from the bottom of the rear wall, and two side walls projecting outwardly and extending between the top surface and the bottom surface; and (b) a receptor cavity within the outer body, the cavity comprising an upper surface, a lower surface having a drain, a rear surface having at least one pair of projecting rear walls that have a width, that are concave for at least substantially all their width, and that converge to form sides of an outwardly-projecting vertical ridge, and two side walls that transition to the rear walls, the vertical ridge and rear walls being fully exposed outwardly without any shielding means; such that a stream of urine directed onto the rear walls adheres by surface tension without causing a splash.