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.
What is a stale check? A: A stale check is one that is presented for payment six months or more past the date on its face. Banks are under no obligation to cash a stale check unless it is a certified check; however, the institution can cash the instrument if it appears to be a payment made in good faith.