Case T-7/09: Judgment of the General Court of 21 April 2010 — Schunk v OHIM (Presentation of part of a chuck) (Community trade mark — Application for a Community trade mark in the form of a presentation of part of a chuck with three grooves — Absolute ground for refusal — Lack of distinctive character — Lack of distinctive character acquired by use — Article 7(1)(b) and (3) of Regulation (EC) No 40/94 (now Article 7(1)(b) and (3) of Regulation (EC) No 207/2009))