US PATENT SUBCLASS 4 / 506
.~ Construction details

Current as of: June, 1999
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4 /   HD   BATHS, CLOSETS, SINKS, AND SPITTOONS

488  DF  POOL TYPE {9}
506.~ Construction details {2}
507  DF  .~.~> Including water inlet or outlet means {3}
513  DF  .~.~> Shape

DEFINITION

Classification: 4/506

Construction details:

(under subclass 488) Subject matter wherein the pool structure relates to shape, material, strength, or etc.