human: How can I obtain patent application drawing information?
assistant: The Guide for the Preparation of Patent Drawings is currently out of print. This publication, when available, can be ordered from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402, or you may call 202 512-1800. The Guide to Filing A Utility Patent Application also contains information on drawing requirements. This publication is available for your use at a Patent and Trademark Depository Library (PTDL) in your area or on the USPTO website at http://www.uspto.gov/web/patents/pubs/pdg0602.zip. For information on your nearest PTDL, you may visit PTDL Web site at http://www.uspto.gov/go/ptdl. Additionally, the rules for patent drawings are included in title 37 of the Code of Federal Regulations, sections 1.81, 1.83, 1.84 and 1.85, and drawings are also addressed in Section 608.02 of the Manual of Patent Examining Procedure (MPEP)(the MPEP includes a copy of title 37). The MPEP is available on our Web site at http://www.uspto.gov/web/offices/pac/mpep/mpep.htm. For additional information, you may contact the USPTO Contact Center (UCC) and request to be transferred to the Inventors Assistance Center (IAC). IAC representatives are available Monday through Friday (except federal holidays) from 8:30 a.m. to 5:30 p.m. Eastern Time.