US PATENT SUBCLASS 353 / 41
.~ Vernier or plural scales


Current as of: June, 1999
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353 /   HD   OPTICS: IMAGE PROJECTORS

40  DF  SCALE OR SCALE INDICATOR PROJECTOR {1}
41.~ Vernier or plural scales


DEFINITION

Classification: 353/41

(under subclass 40) Subject matter including more than one scale, such as in a vernier or micrometer for making fine or exact measurements.

(1) Note. One of the scales may give the general reading while the other gives a finer or decimal reading or the two scales may slide side-to-side and the reading be where scale lines from the two respective scales intersect. Only one of the plural scales need be projected.