New patent discloses the 500mm f/5.6 lens for Micro Four Thirds

A newly published Tamron patent discloses the design of this 500mm f/5.6 Micro Four Thirds lens. Here are the specs:

Focal length: 485 mm
F number: 5.8
Angle of view: 1.31
Image height: 11.15 mm
Lens length: 275 mm

Not sure if Tamron will ever make this lens or eventually outsource the design to Olympus/Panasonic.