USPTO Web Patent Databases The US Patent and Trademark Office (PTO) offers World-Wide Web (Web) access to bibliographic and full-text patent databases.
USPTO 由於此網站的設置,我們無法提供該頁面的具體描述。
Patent Classification - United States Patent and Trademark Office ... IP in Motion · Contact Us · Patent Classification Home; Classification Search ...
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 important national patent classification systems. It is heavily used today, because the economic importance of the US patent system makes
United States Patent and Trademark Office Home page of the United States Patent and Trademark Office's main web site. ... PATENTS Patent Process Patent Classification Patent Forms Statistics Electronic Business Center Patent Laws, Regulations, Policies & Procedures
Examiner Handbook to the U.S. Patent Classification System Examiner Handbook to the U.S. Patent Classification System The U.S. Patent Classification system provides for the storage and retrieval of every patent document that a patent examiner needs to review when examining patent applications. Therefore, in the .
United States Patent Classification - Wikipedia, the free encyclopedia The United States Patent Classification is an official patent classification system used and maintained by the United States Patent and Trademark Office (USPTO). It has been replaced with the Cooperative Patent Classification (CPC) as of January 1, 2013.
International Patent Classification (IPC) The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent symbols for the classification of patents and utility models according to the different areas of techno
Cooperative Patent Classification - Contact us Frequently asked questions Questions What are the expected benefits of CPC? What will CPC look like? How will the transition be made from ECLA/USPC to CPC? Who will be in charge of maintaining the classification and further develop it? How often is the CP
Patent classification - Wikipedia, the free encyclopedia A patent classification is a way the examiners of patent offices or other people arrange documents, such as patent applications, disclosing inventions according to the technical features of the inventions. They arrange documents using a patent classificat