15 CFR § 280.326
Records and files of the United States Patent and Trademark Office
April 14, 2021
The records relating to fastener insignia shall be open to public inspection. Copies of any such records may be obtained upon request and payment of the fee set by the Director, USPTO.
[61 FR 50558, Sept. 26, 1996. Redesignated and amended at 65 FR 39803, 39804, June 28, 2000]