G04B19/34 - CPC Classification Index

ClassID:

179124 ⎘

G04B19/34 - CPC Classification

Classification description:

Indicating the time by visual means Position of the hands projected optically

Recent Application in this class:

20190137941

Laser projection clock

20170082978

Wearable electronic device with hand synchronization

20120147711

TIME INDICATION DEVICE

20060262653

Time display device