G04B45/04 - CPC Classification Index

ClassID:

179306 ⎘

G04B45/04 - CPC Classification

Classification description:

Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc

Sub-classes:

G04B45/043 » {the clockwork being positioned in the hands or pendulum } 1
G04B45/046 » {the driving mechanism of the hands being invisible because of special shielding } 7

Recent Application in this class:

20220163924

2022-05-26

Two-Stage Speed Increaser Arrangement And Gear Train For A Clockwork

20200073330

2020-03-05

Mystery-drive mechanical or electromechanical timepiece

20170168461

2017-06-15

Watch-type wearable device

20060256666

2006-11-16

Watch assembly having a dial integrally formed in the watch-glass

20050219959

2005-10-06

Watch movement