US PATENT SUBCLASS 52 / 781.3
.~ Additional stiffener between facer and frame

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

474  DF  FACER HELD BY STIFFENER-TYPE FRAME {11}
781.3.~ Additional stiffener between facer and frame

DEFINITION

Classification: 52/781.3

Additional stiffener between facer and frame:

(under subclass 474) Structure including a stiffening or reinforcing member engaging spaced sustainers and extending transversely thereto with the stiffener spacing the facing from the sustainer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238.1, for a vertical partition secured to a transverse barrier.

321, for a barrier with projecting rib-type sustainer and a transverse retainer.