US PATENT SUBCLASS 14 / 57
.~.~.~.~.~ Locking

Current as of: June, 1999
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14 /   HD   BRIDGES

31  DF  DRAW {10}
50  DF  .~ Gates {2}
*  DD  .~.~ Bridge operated {2}
*  DD  .~.~.~ Displacement {4}
56  DF  .~.~.~.~ Horizontally swinging {1}
57.~.~.~.~.~ Locking

DEFINITION

Classification: 14/57

(under subclass 56) Devices, said gate having an attachment for locking it in one position.