Since the beginning of the year, we have seen a few Microsoft patent applications that were said to feature the mythical Surface Phone. The latest such patent application was published on Thursday, even though it had been filed with the USPTO back in February 2016. The patent, entitled “Cover of Device Acting as Antenna of the Device” shows a metallic built handset. As the title of the patent suggests, the metallic cover doubles as the antenna.
Because the handset would apparently swing around a hinge positioned in the center of the device, users would not cause interference or the “detuning” … – Source