US PATENT SUBCLASS 48 / 90
.~.~ Domestic plants

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

61  DF  GENERATORS {4}
89  DF  .~ Retort {12}
90.~.~ Domestic plants

DEFINITION

Classification: 48/90

Individual plants consisting of a retort, purifier, condenser, and holder. The retort may be placed in an ordinary cookstove. They may omit the purifier, condenser, or holder.