US PATENT SUBCLASS 48 / 177
.~.~ Sectional bell

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

174  DF  HOLDERS {4}
176  DF  .~ Bell and tank {1}
177.~.~ Sectional bell

DEFINITION

Classification: 48/177

Structures where the bell is divided horizontally into sections having water-seal joints and telescoping.