What are the types of utility model patents?

Utility model refers to a new technical scheme suitable for practical use for the shape, structure or combination of products. The difference between utility model and invention is that utility model is limited to products with a certain shape, and it cannot be a method or a product without a fixed shape; The utility model is not too creative, but it is very practical. The utility model patent is an improvement of the technical structure and characteristics of industrial products, and the protection period is 10 year.

The shape of a product refers to the definite spatial shape that the product has and can be observed from the outside. The technical scheme proposed for product shape can be the technical scheme proposed for product three-dimensional shape, such as the improvement of cam shape and cutter shape; It can also be a technical scheme of two-dimensional shape of products, such as the improvement of sectional shape of profiles.

The structure of a product refers to the arrangement, organization and interrelation of various components of the product. The product structure can be either a mechanical structure or a circuit structure. Mechanical structure refers to the relative position relationship, connection relationship and necessary mechanical cooperation relationship between components that make up a product, and circuit structure refers to the determined connection relationship between components that make up a product.