US PATENT SUBCLASS 454 / 14
.~.~.~.~ Means for mounting to inner wall

Current as of: June, 1999
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454 /   HD   VENTILATION

1  DF  CHIMNEY OR STACK {6}
3  DF  .~ Chimneytop or stacktop structure (e.g., cowl) {12}
12  DF  .~.~ With means for mounting on brick-type chimney {1}
13  DF  .~.~.~ Chimneytop structure extends within chimney {1}
14.~.~.~.~ Means for mounting to inner wall

DEFINITION

Classification: 454/14

Means for mounting to inner wall:

(under subclass 13) Subject matter wherein the uniting means fastens the structure to an interior surface of the brick or ceramic conduit section.