US PATENT SUBCLASS 52 / 407.3
.~.~ Filler pieces within barrier frame (e.g., rafter, joist)

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

404.1  DF  INSULATING INSERT; E.G., FILLER IN CAVITY IN PRECONSTRUCTED OR CAST STRUCTURE {7}
407.1  DF  .~ Filler spaced from inside face of cavity {4}
407.3.~.~ Filler pieces within barrier frame (e.g., rafter, joist)

DEFINITION

Classification: 52/407.3

Filler pieces within barrier frame (e.g., rafter, joist):

(under subclass 407.1) Spaced filler wherein the insulation filler is positioned in spaced apart spaces formed by supporting means of the barrier.