bank when the delay rental was due and instructed him to deposit the check to the credit of the lessor. Sufficient funds were on deposit to the credit of the lessee to cover such check. Because of a misunderstanding as to the date when the rental was due, the cashier failed to deposit the check in time.


26
In the Oldfield case, the lessee forwarded a draft by registered mail to the Stillwell National Bank, the depository bank, to cover the rental payment in ample time for it to reach the depository bank in the usual course of mail, before the due date of the rental. The postal clerk erroneously delivered the registered letter to the First National Bank of Stillwell, which signed the return registered receipt. Due to suchin ample time for it to reach him in the usual course of mail, before the delay rental was due, and the check failed to reach the lessor before the due date because of unusual delay in the mails, the lessee was entitled to equitable relief against the termination of the lease.


29
The Harvey case and the Gloyd case fall in the same category as the Brazell and Oldfield cases.


30
In no case, so far as we have been able to discover, has the Supreme Court of Oklahoma held that the lessee was entitled to equitable relief from the termination of an "unless" lease by reason of failure to pay the delay rental within the time specified in the lease, where the failure, although unintentional, was caused by a mistake