R.I. Gen. Laws § 34-31-2: Sale to enforce lien.

If the charge or charges remain unpaid for a period of at least six (6) months the launderer or cleanser may sell the article at private or public sale or may dispose of the article in any other manner. After the six-months period has expired the owner and/or legal possessor of the article shall have no further right, title, or interest in and to the article.