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Legal status
Patent not validated
| (51) | INT.CL. | G06F 3/02 | (2006.01) |
| H01H 5/14 | (2013.01) | ||
| H01H 13/22 | (2006.01) | ||
| H01H 13/22 | (2013.01) | ||
| H01H 5/14 | (2006.01) | ||
| G06F 3/0202 | (2013.01) | ||
| G06F 3/02 | (2013.01) |
| (11) | Number of the document | 3509082 |
| (13) | Kind of document | T |
| (96) | European patent application number | 17845572.1 |
| Date of filing the European patent application | 2017-09-26 | |
| (97) | Date of publication of the European application | 2019-07-10 |
| (45) | Date of publication and mention of the grant of the patent | 2022-08-03 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/CN2017/103450 |
| Date | 2017-09-26 |
| (87) | Number | WO 2018/041270 |
| Date | 2018-03-08 |
| (30) | Number | Date | Country code |
| 201610802371 | 2016-09-02 | CN |
| (72) |
WU, FuXi , CN
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| (73) |
Dongguan City Kaihua Electronics Co., Ltd ,
No.1, Lindong 2 Road
Lincun Center Industrial Area
Tangxia Town
Dongguan, Guangdong 523710,
CN
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| (54) | KEYBOARD SWITCH WHICH PRODUCES PRESS SOUND |
| KEYBOARD SWITCH WHICH PRODUCES PRESS SOUND |