US PATENT SUBCLASS 434 / 186
MAGNETIC OR GYRO COMPASS

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

Internet Version by PATENTEC © 1999      Terms of Use


434 /   HD   EDUCATION AND DEMONSTRATION

186MAGNETIC OR GYRO COMPASS

DEFINITION

Classification: 434/186

MAGNETIC OR GYRO COMPASS:

(under the class definition) Subject matter relating to a device for determining directions by means of (a) a magnetic needle turning freely on a pivot and pointing to the magnetic north, or (b) a direction indicator controlled by a gyroscope.