US PATENT SUBCLASS 33 / 345
.~.~ Magnetic


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}
344  DF  .~ With damper or governor for sensor {2}
345.~.~ Magnetic


DEFINITION

Classification: 33/345

(under subclass 344) Device wherein the damping means includes a generator of a magnetic field.