A security interest arising under Section 2-401 , 2-505 , 2-711 (3), or 2A-508 (5) is subject to this article. However, until the debtor obtains possession of the goods :
(1) the security interest is enforceable, even if Section 9-203(b) (3) has not been satisfied;
(2) filing is not required to perfect the security interest;
(3) the rights of the secured party after default by the debtor are governed by Article 2 or 2A; and
(4) the security interest has priority over a conflicting security interest created by the debtor .