Cooperative Patent Classification - Cooperative Patent Classification - Home EPO and USPTO launched the Cooperative Patent Classification System The CPC is the result of a partnership between the EPO and the USPTO in their joint effort to develop a common, internationally compatible classification system for technical documents, i
Office of Patent Classification - United States Patent and ... Office of Patent Classification. The Office of Patent Classification maintains the patent classification systems.
Overview of the US Patent Classification System - United States ... 1 Dec 2012 ... Overview of the U.S. Patent Classification System (USPC). 1.1 The USPC. The USPC is a system for ...
Index to the USPC - United States Patent and Trademark Office 5 Apr 2013 ... Index to the United States Patent Classification (USPC) ...
US Classes by Number with Title - United States Patent and ... 10 Jul 2012 ... ... Classification. Select US Classes by Number with Title ...
A - Index to the U.S. Patent Classification System 5 Apr 2013 ... United States Patent and Trademark Office. Home|Site Index| ...
Examiner Handbook to the U.S. Patent Classification System 3 Jan 2013 ... The U.S. Patent Classification system provides for the storage and retrieval of every patent document ...
Patent Classification - United States Patent and Trademark Office 3 Jan 2013 ... Help file.
United States Patent Classification - Wikipedia, the free ... The United States Patent Classification is an official patent classification system used and maintained by the United ...
US Patent Classification System - Intellogist Although it is only applied to United States patent documents, the US Patent Classification system is one of the most ...