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专利号是以“专利”二字的汉语拼音的首位字母“ZL 开头,后继九位数字或字符和一个小数点组成,第九位数字或字符排在小数点的后面。这九位数字的含义是:(1)前两位表示申请专利的年份;(2)第三位表示专利申请的种类,“1”表示发明、“2”表示实用新型、“3”表示外观设计(3)第四位至第八位表示该种类专利申请当年在中国专利局受理立案的序号;(4)第九位数字或字符表示计算机的检验号,是用前八位数依
The patent number is the beginning of the first letter of the Pinyin “Patents”, followed by nine digits or characters and a decimal point, the ninth digit or character behind the decimal point.The meaning of these nine digits is: (1) the first two digits indicate the year of patent application; (2) the third digit indicates the type of patent application, “1” means invention, “2” means utility model, “3” means exterior design The eighth digit indicates the serial number of the patent application filed by the Patent Office of the PRC in that year; (4) The ninth digit or character indicates the computer's inspection number,