(under subclass 33) Subject matter wherein at least one of the charge means applies force directly to a liquid to move the liquid into the mixing chamber.
(1) Note. The force applying means is generally of the pump type. Where the force applying means is of the gravitational type or is unspecified, classification will be in subclass 36 or 40, as appropriate.
(2) Note. Where such force applying means is the only charge means, classification is in subclass 30.