US PATENT SUBCLASS 126 / 105 R
.~ Hot-air equalizers

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

99 R  DF  HOT-AIR FURNACES {24}
105 R.~ Hot-air equalizers {1}
105 A  DF  .~.~> Fan in casing top

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 126/105

(under subclass 99) Hot air furnaces having devices for equally distributing heated air to the several apartments of a building.