(under subclass 23) Cleaning-machines the bearings of whose actuating-shaft are carried in a handle service as a means for supporting the instrument and applying it to the work, together with means for supplying a cleaning fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
52, for rotary wipers having fluid supply.
250.01+, for window cleaning attachments having means for applying a fluid to the surface to be cleaned.