G04F1/04 - CPC Classification Index

ClassID:

179683 ⎘

G04F1/04 - CPC Classification

Classification description:

Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timer by movement or acceleration due to gravity

Sub-classes:

G04F1/06 » by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock 32
G04F1/08 » by a body falling a prefixed distance in air or in a viscous material 2

Recent Application in this class:

20220043400

2022-02-10

TRIGGERING MOBILE APPLICATION USING MOVABLE EXTERNAL DEVICE

20160195854

2016-07-07

Electronic timer

20090316532

2009-12-24

Mobile terminal device, time control method, and timer control program