G04B - CPC Classification
Classification description:
Sub-classes:
- G04B1/00 » Driving mechanisms 11
- G04B11/00 » Click devices; Stop clicks; Clutches 5
- G04B13/00 » Gearwork 35
- G04B15/00 » Escapements 26
- G04B17/00 » Regulating mechanisms 23
- G04B17/00 » Regulating mechanisms 23
- G04B17/00 » Mechanisms for stabilising frequency 23
- G04B17/00 » Mechanisms for stabilising frequency 23
- G04B18/00 » Mechanisms for setting frequency 4
- G04B19/00 » Time indicating 42
- G04B19/00 » Time indicating 42
- G04B19/00 » Indicating the time by visual means 42
- G04B19/00 » Indicating the time by visual means 42
- G04B21/00 » Indicating the time by acoustic means 19
- G04B23/00 » Arrangements producing acoustic signals at preselected times 7
- G04B25/00 » Indicating the time by other means or by combined means 21
- G04B27/00 » Mechanical devices for setting the time indicating means 23
- G04B29/00 » Frameworks, supports, or arrangements of the clockwork parts in relation to each other, so called "calibers" 10
- G04B29/00 » Frameworks, supports, or arrangements of the clockwork parts in relation to each other, so called "calibers" 10
- G04B29/00 » Frameworks 10
- G04B29/00 » Frameworks 10
- G04B3/00 » Winding 4
- G04B3/00 » Winding 4
- G04B3/00 » Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously 4
- G04B3/00 » Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously 4
- G04B31/00 » Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor 36
- G04B33/00 » Calibers 7
- G04B35/00 » Adjusting the gear train, e.g. the backlash of the arbors, depth of meshing of the gears 40
- G04B37/00 » Protection of the clockwork against damage from the outside 31
- G04B37/00 » Protection of the clockwork against damage from the outside 31
- G04B37/00 » Cases 31
- G04B37/00 » Cases 31
- G04B39/00 » Watch crystals; Fastening or sealing of crystals; Clock glasses 35
- G04B41/00 » Locking or holding devices for pendulums, chimes, or the like, for use during transport 3
- G04B43/00 » Protecting clockworks by shields or other means against external influences, e.g. magnetic fields 11
- G04B45/00 » Clocks with unusual features 39
- G04B45/00 » Clocks with unusual features 39
- G04B45/00 » Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects 39
- G04B45/00 » Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects 39
- G04B47/00 » Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece 134
- G04B49/00 » Time-pieces using the position of the sun, moon or stars 8
- G04B5/00 » Automatic winding up 20
- G04B7/00 » Combined normal and automatic winding up 9
- G04B9/00 » Supervision of the state of winding, e.g. indicating the amount of winding 10
- G04B99/00 » Subject matter not provided for in other groups of this subclass 13
