Teflon is a remarkable substance. It has the best resistance to chemical attack of any polymer, and it can be used at any temperature between -73 C and 260 C with no effect on its properties. It also has a very low coefficient of friction.
A stale dated warrant is an unredeemed warrant which was issued more than six months prior to the current date. A stale dated warrant is expired and the original instrument is no longer negotiable.
By the time that you realize that a stale-dated check has cleared your account, it is probably too late for your bank to reverse the charge. The mere fact that the check is several years old does not entitle you to a refund at all, and youâre fully responsible for any problems that arise as a result, e.g. overdraft fees, other checks not clearing, etc., although your bank may decide to waive fees as a courtesy.