How to write a very simple application for a small commodity invention patent? For example, how to write a patent application for steel nail invention?

Small commodity invention patents, also known as small inventions, generally refer to utility model patents.

An application for a patent for utility model includes a request, a specification, drawings of the specification, claims, an abstract of the specification and drawings of the abstract.

It is recommended that people who have never been exposed to patents go to patent agencies for counseling. Each patent costs hundreds to thousands of phone bills, and the application may not be authorized, so be careful.