Case T-317/14: Judgment of the General Court of 24 September 2015 — Klement v OHIM — Bullerjan (Form of an oven) (Community trade mark — Revocation proceedings — Three-dimensional Community mark — Form of an oven — Genuine use of a mark — Article 15(1)(a) and Article 51(1)(a) of Regulation (EC) No 207/2009 — Nature of use of the mark — Form differing in elements which do not alter the distinctive character)