I don't see a substantial difference between this part and a standard banana jack. For example - http://www.alliedelec.com/search/productdetail.aspx?SKU=70209775. Versus USD651568 The purpose ...
this design has been created by Brion Gysin and Ian Sommerville in the 1960s... you did NOT invent neither the contraption, nor (even less) the "ornamental design".
Back in 1998 when I was going through my GCSEs (high school) I took graphic design and two of my projects were: a phone, and a car. My phone concept I believe (if it was valid), would be a good ...