US PATENT SUBCLASS 73 / 624
.~.~.~.~.~ Having separate sonic transmitter and receiver

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

Internet Version by PATENTEC © 1999      Terms of Use


73 /   HD   MEASURING AND TESTING

570  DF  VIBRATION {10}
584  DF  .~ By mechanical waves {13}
596  DF  .~.~ Beamed {10}
618  DF  .~.~.~ Measuring or testing system having scanning means {2}
620  DF  .~.~.~.~ By reflected wave {4}
624.~.~.~.~.~ Having separate sonic transmitter and receiver

DEFINITION

Classification: 73/624

Having separate sonic transmitter and receiver:

(under subclass 620) Subject matter wherein separate transducers are used for transmitting and receiving.