Horology: time measuring systems or devices

SECTION I - CLASS DEFINITION

A. GENERAL STATEMENT OF THE CLASS SUBJECT MATTER

1. This class is the generic class for instruments or portions of instruments employed for the measurement of time passage in units of hours, minutes, seconds, or fractions thereof or the like.

2. Also this class is the residual class for systems or devices or portions thereof, so constituted as to effect (i.e., control) the operation of the time measuring instrument.

B. SUBCOMBINATIONS OF TIME PIECE SYSTEMS OR DEVICES

1. This class includes signal indicators (e.g., alarms, striking mechanisms, displays, etc.) specially designed for operation with or by time measuring instruments.

2. Similarly, other parts of time measuring instruments, (e.g., time bases, escapements, oscillators, etc.) relating to the subject matter of other classes but designed to function as components of timepiece systems or devices are classified in this class.