to contemplate the shape of Gao as modified by Yandong with the limitation "characterized in that the cross-sectional surface in said stem is o shaped; the concave part of the is said hollow structure and the peak of the o is a exhaust pipe, which is used in filling inert gases for heat dissipation into the bulb shell of the LED lamps" through design choice, since it has been held that where the general conditions of a claim are disclosed in the prior art, choosing aesthetic design choices involves only routine skill in the art. (See MPEP 2144.04 I).