US PATENT SUBCLASS 52 / 41
ROOF RUNNING BOARD OR SADDLE

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

41ROOF RUNNING BOARD OR SADDLE {2}
42  DF  .~> Shaped to accommodate seam {1}
44  DF  .~> Attached to seam

DEFINITION

Classification: 52/41

(under the class definition) Structure forming a walkway

above a roof or forming a support (saddle) for such a walkway, usually present on a railway car.