The Joys your Tiff Viewer Will Bring YouThe USPTO's full-page images, nearly four terabytes worth, are stored and delivered at full 300 dpi resolution in an image file format called tiff. Tiff are used since the have no image degradation, they are not comprised and they are large.
Where to Find a Tiff ViewerTiff Viewer For PC Users: Internetiff provides a simple free tiff viewer and an inexpensive bells and whistles pro tiff viewer. Designed primarily for the United States Patent and Trademark Office (USPTO), this web based tiff viewer lets you view/save/print patents directly over the internet.
Tiff Viewer For PC Users: AlternaTIFF is a web browser based tiff viewer (ActiveX control or plug-in) that displays most of the common types of TIFF image files. AlternaTIFF is free to use for any purpose; however, you will be required to register it before it can be used to view images. You will be told how to register when you install it, or when you first use it to view an image.
Tiff Viewer For Mac Users: PatentDownLoader is a free program that downloads patent specifications from JPO (Japanese Patent) , USPTO (US Patent) and WIPO (PCT), and saves as RTFD (or saves as PDF file). PatentDownLoader can also crop figures, analyze patent specifications and creates reference character list automatically.
All the websites for the above tiff viewers are listed below.