Invention patents also have junk patents.

Junk patents have become a new means to deceive lay consumers and commercial fraud. Garbage patents are common in fake and shoddy goods, and there are many heel shoes. If you claim to be a "national patent" and deliberately conceal the type of patent, you are concealing the truth and deliberately deceiving others. This is against the advertising law and must be paid enough attention to.

Exposure: Where is the "high" of grasping psychological responsibility products?

Experts told reporters that there are three kinds of national patents: invention patents, utility model patents and design patents. Among the three kinds of patents, the invention patent is the one with the highest gold content, and it takes several years from application to grant. The latter two patents have nothing to do with scientific and technological content, and can be obtained by filling in the relevant application form as required.

The outside of the sole of negative heel shoes must be raised moderately to reduce the lateral pressure and avoid injury. And it can't be slippers, and the heel thickness can't exceed 15 mm, otherwise it's useless and unsafe.