US PATENT SUBCLASS 169 / 33
.~ Piston discharge
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
DEFINITION
Classification: 169/33
(under subclass 30) Devices wherein the discharge is caused by a pump or a mechanically operated piston acting on the contents.
(1) Note. This group includes vessels provided with rotary or rectilinear pumps operated by hand or motor, and extinguishers of the piston syringe type.
SEE OR SEARCH CLASS
222, Dispensing,
372+, for dispensing containers with pumps, subclasses 386+ for follower type dispensers.
239, Fluid Sprinkling, Spraying, and Diffusing, 320+, and 329+ for pump or follower type discharge for projecting material from the receptacle.
