US PATENT SUBCLASS 235 / 104
.~ Timing devices

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

Internet Version by PATENTEC © 1999      Terms of Use


235 /   HD   REGISTERS

103  DF  ROTATION COUNTERS {2}
104.~ Timing devices

DEFINITION

Classification: 235/104

(under subclass 103) Subject matter comprising instruments or machines for counting or indicating the number of rotations in a given time made by a shaft or other piece of machinery--as, for example, the number of rotations per second or minute or even the number of miles per hour made by a moving vehicle.

SEE OR SEARCH CLASS

73, Measuring and Testing,

488+, for speed sensing mechanism for producing similar indications.