US PATENT SUBCLASS 184 / 96
.~ Sight feeds
Current as of: June, 1999
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DEFINITION
Classification: 184/96
Devices attached to a lubricator through which the lubricant flows as it is discharged and by means of which the quantity and rate of discharge may be observed.
SEE OR SEARCH CLASS
73, Measuring and Testing,
323, and indented subclass.
220, Receptacles,
662+, and see the notes thereto, for structures wherein a transparent panel is mounted in a wall.
