PATENTSCOPE will be unavailable a few hours for maintenance reason on Tuesday 19.11.2019 at 4:00 PM CET
Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (WO2007005444) METHOD AND SYSTEM FOR BANDWIDTH EXPANSION FOR VOICE COMMUNICATIONS
Available information on National Phase entries(more information)
OfficeEntry DateNational NumberNational Status
China 27.06.2006200680023361.1
European Patent Office 11.12.20072006785717Published: 19.03.2008
Withdrawn: 22.06.2009
Mexico 13.12.2007MX/a/2007/015921Published: 27.06.2008
India 24.12.20079956/DELNP/2007Published: 20.06.2008
GermanyWithdrawn: 01.01.2008