Insulating Insert; E.g., Filler In Cavity In Preconstructed Or Cast Structure Patents (Class 52/404.1)
- Filler suspended by supporting means surrounding at least four sides thereof (Class 52/407.2)
- Filler pieces within barrier frame (e.g., rafter, joist) (Class 52/407.3)
- Means (e.g., fastener) to position insulation via supporting means for the barrier (Class 52/407.4)
- Insulation defines air enclosing cell or compartment (Class 52/407.5)