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According to the patent, the new Microsoft device features two separate screens brought together with a single hinge mechanism in the middle, reports GizmoChina.

Apart from the twin primary displays, the patent also reveals a much smaller third display which looks like a status bar on the edge of the device.

The new patent includes a diagram of a single link in the hinge mechanism.

The patent talks about the closing mechanism for dual-screen Surface Duo -- that is more like the newly-launched Samsung Galaxy Fold, would run on Google's Android.

Microsoft in October last year showcased a foldable smartphone Surface Duo which is expected to be available in the holiday season this year.

Surface Duo features two displays held together with a fully rotating hinge that can be adjusted to any angle and recently patent for this particular hinge mechanism has been published by the World Intellectual Property Organisation (WIPO).

The Surface Duo will have two 5.6-inch displays that expand to an 8.3-inch screen.

It will be able to run apps from the Google Play Store.

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