When you think you have a patented idea, before you begin the patent process, you should answer these few questions:
Once you think you have a unique idea, you can begin the process of seaching products that have been patented to make sure your idea has not already been designed, developed or submitted and not yet approved.
There are a variety of tutorials that will help in your ultimate goal of obtaining a patent.
Cooperative Patent Classification System/CPC - The new system, CPC, was developed jointly by the European Patent Office and the United States Patent and Trademark Office to harmonize the exchange of works between the two organizations and patent searching in general. The system is based on the IPC (International Patent Classification) and the ECLC (European Classification). The video gives you the history of the CPC and shows the different options when searching for a patent.