.~ With isolating means on supported side of backer
DEFINITION
Classification: 52/347
(under subclass 344) Structure including means on the support side of the backer for inhibiting or moderating the passage of vibrations, moisture or temperature variations through the assemblage, e.g., sound or heat insulating.
SEE OR SEARCH THIS CLASS, SUBCLASS:
17, for an insulated car roof.
144+, for structure including an element having physical features for acoustical purposes.
167.1+, for means compensating earth transmitted force.
380+, for a cast in situ barrier with a filler within it.
404.1+, for a nonsettable insulating material within a cavity in a barrier. 408+, for a disparate sheet lamina separating components of an in situ construction.