US PATENT SUBCLASS 361 / 151
.~.~.~ Magnetic tape


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

Internet Version by PATENTEC © 1999      Terms of Use



361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
143  DF  .~ Systems for magnetizing, demagnetizing, or controlling the magnetic field {5}
149  DF  .~.~ Demagnetizing {2}
151.~.~.~ Magnetic tape


DEFINITION

Classification: 361/151

Magnetic tape:

(under subclass 149) Subject matter wherein the demagnetizing system or process is peculiar to neutralizing magnetic tape.