FI (Note)/(Index) list

Descriptions for G04C and notes/indexes are displayed on this screen.

G04C ELECTROMECHANICAL CLOCKS OR WATCHES (mechanical parts of clocks or watches in general G04B; electronic time-pieces with no moving parts, electronic circuitry for producing timing pulses G04G)

Note(s)
This subclass covers electric features of mechanically-driven clocks or watches, such as electric winding of such clocks or the provision of electric contacts thereon.

Subclass indexes

ELECTRIC WINDING OF MECHANICAL CLOCKS

1/00

ELECTROMECHANICAL CLOCK MOVEMENTS; ELECTRIC OR MAGNETIC ESCAPEMENTS

3/00, 5/00

TIME INDICATING

Optical; acoustical means

17/00, 19/00; 21/00

TIME SETTING

9/00

POWER SUPPLIES

10/00

SYNCHRONISATION; MASTER-AND-SLAVE CLOCK SYSTEM; SYNCHRONOUS-MOTOR CLOCKS

11/00; 13/00; 15/00

CLOCKS FOR OPERATING A DEVICE AT A PRESELECTED TIME

23/00

SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS

99/00