US PATENT SUBCLASS 89 / 14.1
.~ With heat exchanger
Current as of: June, 1999
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DEFINITION
Classification: 89/14.1
(under subclass 14.05) Devices having means to promote the transfer of heat between the barrel and any external media.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1.12, for heat exchange devices for parts other than barrels.
1.2, for devices which flush the bore or remove residual gases therefrom.
14.2, for devices which reduce flash by cooling burning gases at the barrel muzzle, and for combinations of barrel heat exchangers with flash reducers.
SEE OR SEARCH CLASS
165, Heat Exchange, 177+, for a tubular structure of general application with attached heat-transfer means.
