Pursuant to 35 U.S.C. 119(a), the instant application is a divisional of U.S. Design application Ser. No. 29/423,751 filed on Jun. 5, 2012, claiming priority to prior Application Number DM/077268 WIPO, filed Dec. 7, 2011.
The broken line showing of the blade is included for the purpose of illustrating environmental structure that forms no part of the claimed design.