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To find issued US patents, use:
Both the above search mechanisms will return results in a list or html format, without drawings or diagrams. When viewing a patent directly from the search results in the above search mechanisms, you will not be able to view the drawings, but in some ways it’s easier to view because you will be able to ctrl+F search for terms and there are links to references cited.
To find US patent applications, use:
When viewing a patent application directly from the above search results, you will not be able to view the patent drawings. To view the drawings/diagrams you will click on the images box at the top of a page. Then, you’ll enter a pdf viewer. To view all the pdf pages at once, click on the full pages button on the left hand column.
You can also find US patent applications on:
You will need to know something about the patent or patent application to look up the patent or patent application.
Some search terms you can use to look up the patent or patent application if you don't know specific numbers are:
Some other search terms you can use to look up the patent or patent application are:
If you can't find what you are looking for with a general search bar search, you can search with certain search terms under the corresponding search fields (i.e. use an advance search option and search John AND Doe under the search field of inventor).
You can find the patent number or patent application number by searching with the search terms such as the inventor name or owner/assignee name in the corresponding search fields (i.e. use an advance search option and search Bank AND Central under the search field of assignee, the owner of the patent).
You will then see the patent number or patent application number when viewing the individual patent or patent application document.
By looking up the patent or patent application you will view the published patent or published patent application, which will give information about:
By viewing the published patent or published patent application document, you will not be able to view full patent or patent application file, which is all the documents related to the patent application (also called the patent prosecution history). To view all the documents related to the patent application you will need to view the full patent or patent application file, and then you will see:
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