The stationary – as in bolted down – shaving cup was not Angelo Piccione’s1 first foray into making an overly complex self cleaning lathering cup. Six years before the stationary cup he filed a patent for a, well, lathering device. The objective is more or less the same as his later lather cup. In the words of the patent text:
Continue readingThis invention relates to lathering devices for use by barbers to produce lather for shaving purposes, and has for its object the provision of a device of this character which permits of easily and conveniently cleaning the cup and brush after each shaving operation and thus render the same more sanitary as well as facilitating the work of the barber.
From US Patent 1,448,674