US PATENT SUBCLASS 73 / 85
.~.~ Penetrator element

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

78  DF  HARDNESS {2}
81  DF  .~ By penetrator or indentor {4}
85.~.~ Penetrator element

DEFINITION

Classification: 73/85

Penetrator elements or points, per se, or holders therefor employed by the apparatus or processes of subclasses 81+.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

189+,.

279, Chucks or Sockets.