Every brand registered and published under Chapter 431 of the Statutes of 1921, as amended, prior to the effective date of Chapter 1162 of the Statutes of 1931, and all containers, equipment and supplies bearing such a brand shall be entitled to all the protection and benefits of this chapter, and it is not necessary for any such brand to be changed or reregistered on account of the provisions of Chapter 1162 of the Statutes of 1931 and the provisions of this article which constitute a restatement and continuation thereof.