20 1230232 140.3 is a design patent. The first four digits "20 12" are the year of application, and the fifth digit indicates the patent category.
The application number of a patent was upgraded in 2003. Initially, the application year was indicated by two digits. After 2003, the year of application is indicated by four digits. One digit after the application year indicates the type of patent application, including: 1- invention patent, 2- utility model, 3- design, 8- invention patent requiring foreign priority to enter China, and 9- utility model patent requiring foreign priority to enter China.