Conn. Gen. Stat. § 52-391: Execution; demand for debt due from insolvent estate.

When any debt due or which may become due from the estate of a deceased person which is settled as an insolvent estate, or from the estate of any insolvent debtor, is attached, the attachment lien shall not continue unless demand is made of the garnishee upon the execution within sixty days after the rendition of the judgment, or within sixty days after the report of the commissioners allowing the claim of the defendant has been returned to and accepted by the Court of Probate; or, if an appeal has been allowed on such claim, within sixty days after the final allowance of such claim.