US PATENT SUBCLASS 122 / 200
.~.~ Over fuel grate
Current as of:
June, 1999
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122 /
HD
LIQUID HEATERS AND VAPORIZERS
*
DD
HORIZONTAL CYLINDER
{6}
195
DF
.~ Water tube {7}
200
.~.~ Over fuel grate
DEFINITION
Classification: 122/200
(under subclass 195) Devices placed over the fuel grate.