US PATENT SUBCLASS 15 / 240
.~.~.~.~.~ Filler block

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

104.001  DF  IMPLEMENTS {28}
236.01  DF  .~ Scrapers {9}
237  DF  .~.~ Boot cleaners {1}
238  DF  .~.~.~ Mats {2}
239  DF  .~.~.~.~ Pivoted link {1}
240.~.~.~.~.~ Filler block

DEFINITION

Classification: 15/240

Implements in the nature of floor or door mats composed of pivoted links each having a block filling the opening thereof.