US PATENT SUBCLASS 52 / 506.07
.~.~ Inverted T-bar type

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

506.01  DF  SHEETLIKE ELEMENT ASSEMBLED PARALLEL TO EXISTING WALL, CEILING, OR FLOOR (E.G., INSULATING PANEL, SHEATHING) {10}
506.06  DF  .~ Element spaced from wall, ceiling, or floor and held by discrete retaining means (e.g., suspended ceiling or wall) {2}
506.07.~.~ Inverted T-bar type

DEFINITION

Classification: 52/506.07

Inverted T-bar type:

(under subclass 506.06) Retaining means for element where the particular framework has a component shaped as an upside down letter T.