1.317—Lapsed patents; delayed payment of balance of issue fee.

If the issue fee paid is the amount specified in the notice of allowance, but a higher amount is required at the time the issue fee is paid, any remaining balance of the issue fee is to be paid within three months from the date of notice thereof and, if not paid, the patent will lapse at the termination of the three-month period.

Code of Federal Regulations

[62 FR 53198, Oct. 10, 1997]

CFR

1.317—Lapsed patents; delayed payment of balance of issue fee.

Code of Federal Regulations