US PATENT SUBCLASS 52 / 336
.~.~ Ridges on corrugated backing crossing sustainer

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

319  DF  CAST IN SITU CONCRETE BARRIER WITH LATERALLY PROJECTING RIB-TYPE SUSTAINER {8}
335  DF  .~ Sheet-form backer supported on upper terminal of sustainer {1}
336.~.~ Ridges on corrugated backing crossing sustainer

DEFINITION

Classification: 52/336

(under subclass 335) Structure in which the sheetlike member is corrugated, with the axis of the corrugations extending normal to the sustainer axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

416+, for lapped multiplanar or bridge strip type surfacing in which sheets are held by settable material.

450+, for a corrugated imperforate sheet member which acts as a backer for settable material.

630, for a panel with integral reinforcing, e.g., a corrugated panel.