G04D7/1228 - CPC Classification Index

ClassID:

179667 ⎘

G04D7/1228 - CPC Classification

Classification description:

Measuring, counting, calibrating, testing or regulating apparatus; Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks with recording, e.g. vibrograph Devices for facilitating the reading or the interpretation of the recording

Recent Application in this class:

20150053007

2015-02-26

Method and system for authenticating a device

20140019089

2014-01-16

Method and system for authenticating a timepiece

20140013847

2014-01-16

Method and system for authenticating a timepiece

20140013846

2014-01-16

Method and system for authenticating using external excitation