.~.~ Hermetic sealed envelope type (e.g., with exhaust stem) {3}
17.06
.~.~.~ Liquid seal
DEFINITION
Classification: 174/17.06
(under subclass 17.05) Subject matter in which a liquid is used to seal a joint of the box, housing or envelope.
SEE OR SEARCH THIS CLASS, SUBCLASS:
9, where the liquid is also used as an electric conductor (e.g., the liquid is used as a lead-in conductor).
31.5, for bushings, terminals and lead-ins with liquid sealed joints even though the wall or plate of the supporting box or housing for the bushing, terminal or lead-in is claimed where no characteristics of the box or housing are claimed.
SEE OR SEARCH CLASS
220, Receptacles,
228, for receptacles having liquid sealed closures and see the classes referred to in the Notes to that subclass for other classes which provide for structures with liquid sealed joints.
