US PATENT SUBCLASS 416 / 2
HAVING FRANGIBLE OR FUSIBLE PART OR CONNECTION

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

2HAVING FRANGIBLE OR FUSIBLE PART OR CONNECTION

DEFINITION

Classification: 416/2

(under the class definition) Apparatus wherein some portion of an impeller* or the means connecting it to a support* comprises (1) a weakened zone or connecting part whereby destruction or separation of the apparatus due to external forces occurs in a predetermined manner or (2) a fusible zone or connecting part whereby excessive heat effects predetermined destruction or separation of the apparatus.