US PATENT SUBCLASS 148 / 409
.~.~ Nickel base

Current as of: June, 1999
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148 /   HD   METAL TREATMENT

400  DF  STOCK {20}
405  DF  .~ Age or precipitation hardened or strengthened {7}
409.~.~ Nickel base {1}
410  DF  .~.~.~> Chromium containing

DEFINITION

Classification: 148/409

Nickel base:

(under subclass 405) Stock material which contains over 50 percent of nickel by weight.