This primary source comes from the Records of the Patent and Trademark Office.
National Archives Identifier:
1126944Full Citation: Design for Coffee Urn, 06/30/1868; 6/30/1868; Records of the Patent and Trademark Office, Record Group 241. [Online Version, https://www.docsteach.org/documents/document/design-for-coffee-urn-06301868, May 15, 2024]