Patent details
EP1580912 Title: METHOD FOR MULTI-USER DEMODULATION WITH VARIABLE SPREAD SPECTRUM COEFFICIENT
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Basic Information
- Publication number:
- EP1580912
- WO Application Number:
- CN2003000960
- Type:
- European Patent Granted for NL
- Status:
- Deemed not to be granted
- Publication Title:
- Title When Made Available For Viewing:
- Reason Lapsed:
- Application number:
- EP03770867.4
- WO Publication Number:
- WO2004045121
- EPO Publication Language:
- English
- SPC Number:
- First Applicant Residence Country:
- China (CN)
- Publications:
Dates
- Filing date:
- 13/11/2003
- Grant date:
- 11/02/2015
- EP Publication Date:
- 11/02/2015
- WO Publication Date:
- Claims Translations Received Date:
- Claims Translation B1 Received Date:
- Claims Translation B2 Received Date:
- Claims Translation B3 Received Date:
- Lapsed By Non Payment Annual Fee Date:
- Renunciation Date:
- NullificationDate:
- Published:
- Due To Cession Date:
- Registration date:
- 11/02/2015
- EP B1 Publication Date:
- 11/02/2015
- EP B2 Publication Date:
- EP B3 Publication Date:
- Description Translation B1 Received Date:
- Description Translation B2 Received Date:
- Description Translation B3 Received Date:
- Expiration date:
- 12/11/2023
- Lapsed By Expiration Date:
- Revocation Date:
- Invalidity Date:
- 11/02/2015
- Response To Novelty Search Report Received:
- Patent Granting Request:
- Lapsed date:
Applicant/holder
- From:
- 11/02/2015
- Name:
- China Academy of Telecommunications Technology
- Address:
- No. 40 Xue yuan Road, HAIDIAN DISTRICT BEIJING 100191, China (CN)
Inventor
- Name:
- LI, Feng
- Address:
- BEIJING 100083, China (CN)
Priority
- Priority Patent Number:
- 02148623
- Priority Date:
- 13/11/2002
- Priority Country:
- China (CN)
Classification
- Main IPC Class:
- H04J 11/00;
- IPC or IDT classification:
- H04B 1/707;
Publication
Bulletin
1
- Bulletin Heading:
- VRV
- Journal edition number:
- 2015/26
- Publication date:
- 24/06/2015
- Description:
- Lapse or annulment
2
- Bulletin Heading:
- EP2
- Journal edition number:
- 2015/08
- Publication date:
- 18/02/2015
- Description:
- European patents granted for the Netherlands
European Patent Bulletin
- Issue number:
- 201507
- Publication date:
- 11/02/2015
- Description:
- Grant (B1)
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