US PATENT SUBCLASS 215 / 315
.~.~.~ Spring actuated
Current as of:
June, 1999
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215 /
HD
BOTTLES AND JARS
200
DF
CLOSURES
{32}
307
DF
.~ Receptacle interior communicable with exterior with closure in applied position (e.g., vented) {4}
311
DF
.~.~ With valve {4}
315
.~.~.~ Spring actuated
DEFINITION
Classification: 215/315
(under subclass 311) Devices, in which the valve is operated by a spring type actuator.
