US PATENT SUBCLASS 378 / 163
.~ Distance or dimension marker

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


378 /   HD   X-RAY OR GAMMA RAY SYSTEMS OR DEVICES

162  DF  AUXILIARY DATA ACQUISITION OR RECORDING {2}
163.~ Distance or dimension marker {1}
164  DF  .~.~> Coordinate grid

DEFINITION

Classification: 378/163

Distance or dimension marker:

(under subclass 162) Subject matter including means of known dimensions which are at least partly opaque to X-rays placed on or near the object at known distances from each other such that they appear in the final image of the object and whose images may be used to calculated distance or dimensions within the object.