(under subclass 334) Apparatus in which, in addition to the fluid current motor, there is provided additional means to impart driving energy to the pump.
(1) Note. The additional means is usually one for manually operating the pump (e.g., handle).
(2) Note. Patents have been classified in this subclass on a disclosure basis with many of the patents not claiming the fluid current motor or pump, but merely the mechanism for alternative drive.
