On Thursday, a new filing with the U.S. Patent and Trademark Office revealed the design for a Smart Cover that could extend the iPad display experience to two screens.
Our friends at Apple Insider were first to discover the filing, which indicates that a secondary touchscreen display would be offered by the envisioned cover. Potentially, the second screen could be used as a "full-fledged touch keyboard."
Here's how Apple describes the design in an abstract summary:
A tablet device with a flexible cover is disclosed. Thin flexible display technology can be integrated into the flexible cover without affecting the overall form factor of the cover or tablet device. Adding the integrated display to the flexible cover greatly enhances the overall functionality of the tablet device.
Source: Apple Insider