G04B5/20 - CPC Classification Index

ClassID:

178960 ⎘

G04B5/20 - CPC Classification

Classification description:

Automatic winding up by movements of other objects, e.g. by opening a hand-bag, by opening a case, by opening a door; Winding up by wind power

Sub-classes:

G04B5/203 » {by liquids or gases } 1
G04B5/206 » {by rotating axles e.g. tachometers } 0

Recent Application in this class:

20190387288

Method for providing information about a mechanical wristwatch

20170123376

Timepiece transmission device

20170115628

Self-winding mechanism for watches

20100302911

Portable telephone provided with a mechanical watch