US PATENT SUBCLASS 148 / 910
.~ In pattern discontinuous in two dimensions (e.g., checkerboard pattern)

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

902  DF  HAVING PORTIONS OF DIFFERING METALLURGICAL PROPERTIES OR CHARACTERISTICS {8}
910.~ In pattern discontinuous in two dimensions (e.g., checkerboard pattern)

DEFINITION

Classification: 148/910

In pattern discontinuous in two dimensions (e.g., checkerboard pattern):

Stock material which the portions of differing metallurgical properties vary in two different directions, e.g., checkerboard pattern.