US PATENT SUBCLASS 164 / 410
VENT OR VENT FORMING APPARATUS


Current as of: June, 1999
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164 /   HD   METAL FOUNDING

410VENT OR VENT FORMING APPARATUS


DEFINITION

Classification: 164/410

(under the class definition) Apparatus which includes or consists of either (1) a means for allowing otherwise trapped gases to escape from the apparatus or (2) means to form such escape means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

234, for core shaping means including a vent or vent forming means.

372, for vented chills.

397+, particularly subclass 400 for vented core supporting

means.

SEE OR SEARCH CLASS 249, Static Molds,

141, for a static mold which includes an auxiliary part for transmission of fluid, i.e., vent or drain.