National trademark registration: Battery belongs to subclass 0922 of Class 9; Trademark application process: Trademark name query---Submit application to the Trademark Office-------Formal review passed----- ---Issue the trademark acceptance letter (one month)-------Pass the substantive examination----Trademark announcement-------Pass the announcement----Issue the trademark registration certificate (one month) Year and a half) The validity period of the trademark certificate: 10 years. It can be renewed after expiration. It can be renewed every 10 years. There is no need to pay annual fees every year. If it is not renewed, it will automatically become invalid. Trademark registration query