US PATENT SUBCLASS 222 / 157
.~.~ Graduated for level determination

Current as of: June, 1999
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222 /   HD   DISPENSING

154  DF  INSPECTION DEVICES {4}
156  DF  .~ Sight openings {1}
157.~.~ Graduated for level determination

DEFINITION

Classification: 222/157

(under subclass 156) Dispensers in which the sight opening is of such an extent and so marked that the level of the contents may be determined by comparison with the marks.