US PATENT SUBCLASS 52 / 412
.~.~ Extending into intersecting joints

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

408  DF  DISPARATE SHEET LAMINA BETWEEN EXPOSED SURFACES OF WALL, FLOOR, OR ROOF (E.G., VAPOR BARRIER, WATERPROOFING MEMBRANE) {3}
411  DF  .~ Additional material forming bond {2}
412.~.~ Extending into intersecting joints

DEFINITION

Classification: 52/412

(under subclass 411) Structure wherein the sheet form separating member extends into intersecting joints between one layer or component and two other layers or components, e.g., nonporous members positioned within the mortar along one horizontal side and one vertical side of a brick in a brick wall.