.~ By compression or suction of gas in reservoir {2}
189
.~.~ By one-way means for removing gas from reservoir
DEFINITION
Classification: 401/189
(under subclass 187) Implement wherein the force applying means includes a device for irreversibly removing gas from the reservoir to provide a subatmospheric pressure therein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
183+, for an implement including a reservoir with a resilient wall portion on which force is applied by direct digital engagement with the container wall to deform the wall and compress gas in the reservoir, which implement may include one-way means for removing gas from the reservoir.
