US PATENT SUBCLASS 250 / 497.1
.~.~ With means to move source between shielded and unshielded position

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

493.1  DF  RADIANT ENERGY GENERATION AND SOURCES {3}
496.1  DF  .~ With container for radioactive source and radiation directing or selectable shielding {2}
497.1.~.~ With means to move source between shielded and unshielded position

DEFINITION

Classification: 250/497.1

With means to move source between shielded and unshielded position:

(under subclass 496.1) Subject matter which further includes means to move the radioactive source within the passageway between a shielded and the unshielded position.