US PATENT SUBCLASS 451 / 488
VENTILATION OR COOLING OF TOOL OR TOOL SUPPORT

Current as of: June, 1999
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451 /   HD   ABRADING

488VENTILATION OR COOLING OF TOOL OR TOOL SUPPORT

DEFINITION

Classification: 451/488

VENTILATION OR COOLING OF TOOL OR TOOL SUPPORT:

(under the class definition) Device having means to cause or permit circulation of fluent material to or adjacent, or to dissipate heat from, a tool or its support.

(1) Note. For the definition of "tool support," see subclass 490.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

230.1, for similar ventilation or cooling of a tool or its support.