What does the applicant type 3 in the utility model patent request stand for?

The applicant type 3 in the request for a patent for utility model represents an application for a patent for design. According to relevant public information, in the request for a patent for utility model, the number 3 is used to simplify the expression of the design patent. Patent literally refers to exclusive rights and interests, which means open letters or open documents. It is a certificate used by medieval monarchs to issue certain privileges, and later refers to the exclusive rights certificate signed by the British king himself.