US PATENT SUBCLASS 122 / 367.3
.~ Corrugated and finned heat transmitters

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

367.1  DF  HEAT TRANSMITTER {3}
367.3.~ Corrugated and finned heat transmitters

DEFINITION

Classification: 122/367.3

Corrugated and finned heat transmitters:

(under subclass 367.1) Devices wherein the heat transmitting tubes have projecting vanes or a series of parallel and

alternating ridges and grooves.