US PATENT SUBCLASS 23 / 301
.~.~.~ Seed

Current as of: June, 1999
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23 /   HD   CHEMISTRY: PHYSICAL PROCESSES

293 R  DF  PHYSICAL PROCESSES {7}
295 R  DF  .~ Crystallization {8}
300  DF  .~.~ With added material {1}
301.~.~.~ Seed

DEFINITION

Classification: 23/301

(under subclass 300) Processes wherein the added material is seed crystals.

SEE OR SEARCH CLASS

29, Metal Working,

25.35, for processes of manufacturing piezo-electric crystal devices which include crystallizing and additional manufacturing operations.