CN202738074U - 一种具有助听功能的耳机系统 - Google Patents
一种具有助听功能的耳机系统 Download PDFInfo
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- CN202738074U CN202738074U CN 201220099505 CN201220099505U CN202738074U CN 202738074 U CN202738074 U CN 202738074U CN 201220099505 CN201220099505 CN 201220099505 CN 201220099505 U CN201220099505 U CN 201220099505U CN 202738074 U CN202738074 U CN 202738074U
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Application Number | Priority Date | Filing Date | Title |
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CN 201220099505 CN202738074U (zh) | 2012-03-16 | 2012-03-16 | 一种具有助听功能的耳机系统 |
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CN 201220099505 CN202738074U (zh) | 2012-03-16 | 2012-03-16 | 一种具有助听功能的耳机系统 |
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CN202738074U true CN202738074U (zh) | 2013-02-13 |
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CN 201220099505 Expired - Lifetime CN202738074U (zh) | 2012-03-16 | 2012-03-16 | 一种具有助听功能的耳机系统 |
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CN (1) | CN202738074U (zh) |
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2012
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SHANDONG GONGDA AUDIO CO., LTD. Free format text: FORMER OWNER: LIU XIAOJIE Effective date: 20130513 Free format text: FORMER OWNER: LI YING Effective date: 20130513 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100021 CHAOYANG, BEIJING TO: 261206 WEIFANG, SHANDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130513 Address after: 261206, Feng Shan Road, Fangzi District, Shandong, Weifang, 68 Patentee after: Shandong Gettop Acoustic Co.,Ltd. Address before: 100021, Beijing, Chaoyang District Warwick West Lane No. 8 building, 1-1302 Patentee before: Liu Xiaojie Patentee before: Li Ying |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 261200 No. 68 Fengshan Road, Fangzi District, Weifang City, Shandong Province Patentee after: Gongda Electroacoustics Co., Ltd. Address before: 261206 Fengshan Road, Fangzi District, Weifang, Shandong Province, No. 68 Patentee before: Shandong Gettop Acoustic Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130213 |