US PATENT SUBCLASS 16 / 10
.~ Stair

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

4  DF  CARPET FASTENERS {8}
10.~ Stair {2}
11  DF  .~.~> Risers
12  DF  .~.~> Rods {1}

DEFINITION

Classification: 16/10

(under subclass 4) Devices for securing stair-carpets in extended position upon stairs.