See this important info about trying to find patents:
The Seven action method – Outlines an advised means of patent looking
Patents can be searched with the following resources:
USPTO Patent Full-Text and Image Database (PatFT)
Inventors ought to search the USPTO’s patent database to see in case a patent had been granted or filed that is much like your patent. Patents can be searched when you look at the USPTO Patent Full-Text and Image Database (PatFT). The USPTO houses complete text for patents granted from 1976 to the current and PDF pictures for many patents from 1790 to the current.
Looking Comprehensive Text Patents (Since 1976)
Personalize a search on all or a group that is selected of (industries) of the patent.
Looking PDF Image Patents (Since 1790)
Searches are restricted to patent numbers and/or category codes for pre-1976 patents.
USPTO Patent Application Full-Text and Image Database (AppFT)
Look for Full-Text and Image variations of patent applications. Personalize searches on all industries of a patent application within the AppFT for Full-Text searches. 閱讀全文 Seek out patents. A new comer to Patent Browsing?