US PATENT SUBCLASS 4 / 493
.~ With heating means
Current as of:
June, 1999
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4 /
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BATHS, CLOSETS, SINKS, AND SPITTOONS
488
DF
POOL TYPE
{9}
493
.~ With heating means
DEFINITION
Classification: 4/493
With heating means:
(under subclass 488) Subject matter having means to raise the temperature of the water.
SEE OR SEARCH CLASS
126, Stoves and Furnaces,
561+, for solar heating means which may include a pool.