ClassID:

204209

H01H2227/002 - CPC Classification

Classification description:

Dimensions; Characteristics Layer thickness

Sub-classes:
Recent Application in this class:
#1
20250391618
2025-12-25

DEVICE FOR THERMIONIC ARC EXTINCTION VIA ANODE ION DEPLETION

#2
20230268140
2023-08-24

DEVICE FOR THERMIONIC ARC EXTINCTION VIA ANODE ION DEPLETION

#3
20220068574
2022-03-03

Methods and systems for DC current interrupter based on thermionic arc extinction via anode ion depletion

#4
20210142963
2021-05-13

TRIGGER DEVICE

#5
20200373104
2020-11-26

Methods and systems for DC current interrupter based on thermionic arc extinction via anode ion depletion

#6
20200373103
2020-11-26

Methods and systems for DC current interrupter based on thermionic arc extinction via anode ion depletion

#7
20200294738
2020-09-17

Resilient body and keyboard structure

#8
20190074152
2019-03-07

Electromechanical relay device

#9
20180102225
2018-04-12

Key and keyboard device

#10
20150136577
2015-05-21

Switch structure with display and playback functions

#11
20140133127
2014-05-15

Method and apparatus pertaining to keycap light guides

#12
20120163894
2012-06-28

KEYS AND KEYBOARD COMPRISING THE SAME

#13
20120073942
2012-03-29

Keyswitch and keyboard

#14
20110284354
2011-11-24

KEY ILLUMINATION SWITCH MODULE AND LIGHT GUIDE SHEET

#15
20110180379
2011-07-28

SWITCH MODULE WITH LIGHTED KEY

#16
20100059354
2010-03-11

KEYBOARD AND ELECTRONIC DEVICE

#17
20090236209
2009-09-24

Key sheet and production method thereof

#18
20090152083
2009-06-18

KEYPAD ASSEMBLY FOR ELECTRONIC DEVICE

#19
20090050456
2009-02-26

Light emitting keypad comprising light guide film and light guide

#20
20080302642
2008-12-11

Movable contact element and switch using the same

#21
20080128258
2008-06-05

Pressure Sensitive Switching Element and Seat Sensor

#22
20080030975
2008-02-07

Light emitting sheet module

#23
20070256290
2007-11-08

Method for fabricating luminescent solid key

#24
20070252825
2007-11-01

Touch panel

#25
20050139460
2005-06-30

Key sheet