Practical new type:Double-function HV AC vacuum switch

Patent Certificate for Practical New Type

No. 271770ZL 95 2 376229

Title of practical new type: Double-function HV AC vacuum switch

Designers: Li Fushan, Zou Jiyan, Liang Xiuli, Jin Guoxing, Hang Lailiang, Zhang Hanmin, Yuan Yongzuo, Ma Wujian, Liu Liangqiu, Duan Yuping, Li Jiayi

Patent No. ZL 95.2 37632.9

Date of patent application: Sept. 15, 1995

Patentee: WISCO

This practical new type has been preliminarily examined and reviewed by the office according to the patent law of the People’s Republic of China, now it decides to grant this patent right.

This practical new type has been examined and reviewed by the office according to patent law, and it decides to grant this patent right on Oct 11, 1997,which shall be registered on the patent registration book, patent right shall take effect from the data of issuing this certificate.

Time limit for this patent right is 10 years, calculated from the date of application, patentee shall pay annual fees according to patent law and execution regulations, time limit for paying the yearly patent fee is one month before every Sept 15, if not paying the annual fee according to the regulation, patent right shall be terminated from the date of expiration of paying the annual fee.

The patent certificate records the legal status during handling the patent registration, transfer and inheriting, annulling, invalidation and termination of the patent right, amendment of name or title, nationality and address of the patentee and other matters shall be recorded in the patent registration book.

Director: Gao Lulin (signature)

Oct. 13, 1999

Patent Bureau of P. R. China (seal)

Certificate

This project has won the award at the 12th National Invention Fair, this certificate is issued for encouragement.

Title of the project: Double-function HV AC vacuum switch

Inventors: Li Fushan, Zou Jiyan, Liang Xiuli, Zhang Hanmin, Liu Liangqiu

China Invention Association (seal)

Sept. 1999

 

Certificate of Honor

Double-function HV AC vacuum switch

Double-function HV AC vacuum switch has won the excellent new product gold award of the 12th National Invention Fair.

Award Assessment Department of 12th National Invention Fair (seal)

Seal of 12th National Invention Fair

Sept. 1999