Certificate No. 5526659

Utility model patent certificate

Utility model name: a multi-functional explosion-proof and flood-proof sandbag and its sand wall

Inventor: Qiao Hui

Patent No.: ZL 2016 20334412.3

Patent application date: April 19, 2016

Patent owner: Qiao Hui

Authorization Announcement Date: September 07, 2016

This utility model has undergone a preliminary examination in accordance with the Patent Law of the People’s Republic of China, and decided to grant the patent right, issue this certificate and register it in the patent register. The patent right takes effect from the date of the authorization announcement.

The patent right term of this patent is ten years, counted from the filing date. The patentee shall pay the annual fee in accordance with the provisions of the Patent Law and its implementing rules. The annual fee for this patent should be paid before April 19th of each year. If the annual fee is not paid in accordance with the regulations, the patent right shall be terminated from the date when the annual fee should be paid expires.

The patent certificate records the legal status at the time of registration of the patent right. The transfer, pledge, invalidation, termination, restoration of the patent right, and the name, nationality, and address change of the patentee are recorded in the patent registration book.

Director Shen Changyu

September 07, 2016

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