2. Patent number: ZL 2008 1 * * * * *. *
3. Publication number: the invention patent is given after it is published before the actual trial: CN********.
4. Announcement number: given at the announcement stage after patent authorization: CN * * * * * * * *.
The patent number and the patent application number are the same, but the time is different. Before the patent is granted, it is called the patent application number, and after it is granted, it is called the patent number. Patent announcement number and patent announcement number are the serial numbers set by the patent office. The patent publication number is added when the invention patent is published, and the patent announcement number is added when the utility model patent is authorized, which is the document number of the patent document.