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Class Information
Number: 52/407.1
Name: Static structures (e.g., buildings) > Insulating insert; e.g., filler in cavity in preconstructed or cast structure > Filler spaced from inside face of cavity
Description: Insulating insert wherein there is a vacant space between at least the major surface of one inside wall of the cavity and the filler.


Sub-classes under this class:

Class Number Class Name Patents
52/407.3 Filler pieces within barrier frame (e.g., rafter, joist) 60
52/407.2 Filler suspended by supporting means surrounding at least four sides thereof 22
52/407.5 Insulation defines air enclosing cell or compartment 30
52/407.4 Means (e.g., fastener) to position insulation via supporting means for the barrier 58


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
3982369 Insulated building block Sep. 28, 1976
3958754 Snow load removal May. 25, 1976

1 2


 
 
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