US PATENT SUBCLASS 73 / 79
.~ Scleroscope or rebound

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

78  DF  HARDNESS {2}
79.~ Scleroscope or rebound

DEFINITION

Classification: 73/79

(under subclass 78) Subject matter wherein hardness is measured or determined by either dropping an object on the specimen and observing rebound, or by dropping the specimen upon an anvil and observing rebound.