US PATENT SUBCLASS 110 / 184
SMOKESTACKS
Current as of: June, 1999
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DEFINITION
Classification: 110/184
(under the class definition) Subject matter relating to metal smokestacks of locomotives and portable boilers.
SEE OR SEARCH THIS CLASS, SUBCLASS:
160+, for stacks having air jet draft regulators.
SEE OR SEARCH CLASS
52, Static Structures (e.g. Buildings),
218, 219, and 245+ for flues or curvilinear constructions there provided for.
104, Railways, 52, for locomotive smokejacks.
114, Ships,
187, for ship smoke-stacks.
454, Ventilation,
2, for vehicle stacks, per se.
