[Code of Federal Regulations] [Title 37, Volume 1] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 37CFR3.24] [Page 224] TITLE 37--PATENTS, TRADEMARKS, AND COPYRIGHTS DEPARTMENT OF COMMERCE PART 3--ASSIGNMENT, RECORDING AND RIGHTS OF ASSIGNEE--Table of Contents Sec. 3.24 Requirements for documents and cover sheets relating to patents and patent applications. The document and cover sheet must be legible. Either the original document or a true copy of the original document, may be submitted for recording. Only one side of each page shall be used. The paper used should be flexible, strong, white, non-shiny, durable, and preferably no larger than 21.6 x 33.1 cm. (8\1/2\ x 14 inches) with a 2.5 cm. (one- inch) margin on all sides.