US Patent Class 256
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Current as of: June, 1999
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Products
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CLASS NOTES
1  DF  MISCELLANEOUS
2  DF  BARBED {3}
10  DF  ELECTRIC
11  DF  TOP GUARDED {1}
12.5  DF  DRIFTAGE CONTROL
13  DF  FLOOD
13.1  DF  HIGHWAY GUARD
14  DF  TRACK GUARD {3}
19  DF  EARTH, STONE, PLASTIC, AND WOODEN
20  DF  HEDGE
21  DF  METALLIC {1}
23  DF  SUSPENDED
24  DF  PANEL {5}
32  DF  WIRE {7}
59  DF  RAIL {4}
73  DF  PANELS
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DIGESTS
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DIG 1  DF  Compensator, spring
DIG 2  DF  Adjustable or falling fence
DIG 3  DF  Wire clamp
DIG 4  DF  Board fastener
DIG 5  DF  Metal post
DIG 6  DF  Building construction guard rail