US PATENT SUBCLASS 126 / 90 R
.~.~.~.~ Hot air

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

*  DD  STOVES {3}
58  DF  .~ Heating {18}
*  DD  .~.~ Liquid or gaseous fuel {3}
85 R  DF  .~.~.~ Gas {6}
90 R.~.~.~.~ Hot air {1}
90 A  DF  .~.~.~.~.~> Electric heater

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 126/90

(under subclass 85) Devices that are provided with various forms of air heating means.