Section 56. When Lien is Lost.—

1. The unpaid seller of goods loses his lien thereon—

   1. When he delivers the goods to a carrier or other bailee for the purpose of transmission to the buyer without reserving the property in the goods or the right to the possession thereof;

   2. When the buyer or his agent lawfully obtains possession of the goods;

   3. By waiver thereof.

2. The unpaid seller of goods, having a lien thereon, does not lose his lien by reason only that he has obtained judgment or decree for the price of the goods.