US PATENT SUBCLASS 122 / 115
.~.~ Fluid fuel
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
Terms of Use
122 /
HD
LIQUID HEATERS AND VAPORIZERS
44.1
DF
FIRE TUBE
{11}
114
DF
.~ Vertical {13}
115
.~.~ Fluid fuel
DEFINITION
Classification: 122/115
(under subclass 114) Devices heated by fluid fuel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
22, for miscellaneous boilers heated by solid or fluid fuel.
23, for miscellaneous boilers heated by fluid fuel.
24, for boilers heated by fluid fuel which is exploded while burning.
43, for combined fire tube and water tube boilers heated by fluid fuel that are of a miscellaneous nature.
156, for vertical flue boilers heated by fluid fuel. 161, and 183, for other types of vertical flue boilers heated by fluid fuel.
167, 177 and 179, for vertical flue boilers combined with internal water tubes and heated by fluid fuel.
