patent for invention

Invention Name: Outdoor High Voltage Isolation Switch Closing and Opening Device

Inventor: Zhou Youdong: Hu Tuqiao

Patent number: ZL200610050556.7

Patent application date: April 28, 2006

Patentee: Zhou Youdong

Authorization Announcement Date: December 31, 2008

The present invention has been examined by this office in accordance with the Patent Law of the People's Republic of China, and the patent right has been granted. This certificate is issued and registered in the patent registration book. The patent right shall come into effect from the date of the announcement of authorization. The patent term of this patent is twenty years, starting from the date of filing. The patentee shall pay the annual fee in accordance with the provisions of the Patent Law and its Implementing Regulations. The deadline for paying the annual patent fee is within one month before April 28th each year. If the annual fee is not paid according to the regulations, the patent right shall terminate from the date when the annual fee should have been paid, and the patent certificate shall record the legal status at the time of registration of the patent right. The transfer, pledge, invalidity, termination, restoration of patent rights, and changes in the name, nationality, and address of the patentee shall be recorded in the patent registration book.