US PATENT SUBCLASS 33 / 360
.~.~ Utilizing cathode-ray tube or photoelectric cell

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

Internet Version by PATENTEC © 1999      Terms of Use


33 /   HD   GEOMETRICAL INSTRUMENTS

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
355 R  DF  .~ Magnetic field responsive {6}
360.~.~ Utilizing cathode-ray tube or photoelectric cell

DEFINITION

Classification: 33/360

(under subclass 355) Device wherein either the means influenced by the magnetic field, the telemetering system, or the indicator includes a cathode-ray tube projecting a deflectable electron beam, the deflection being related to the direction or deviation.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing

250, for testing a magnetic field by a cathode ray beam.