US PATENT SUBCLASS 178 / 93
.~.~ Polarized

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

Internet Version by PATENTEC © 1999      Terms of Use


178 /   HD   TELEGRAPHY

118  DF  RECEIVERS {4}
89  DF  .~ Code recorders {8}
93.~.~ Polarized

DEFINITION

Classification: 178/93

(under subclass 89) Code-recorders having polarized magnets.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

76.11+, for electric meters and meter movements.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

78+, for polarity responsive electromagnetically actuated switches and subclasses 220+ for electromagnetic-mechanical transducers.