发明名称 GUARD FOR DERRICK APPARATUS
摘要 The said Industrial Design consists of the features of shape, configuration and ornamentation of a guard for derrick apparatus as shown in the drawings.Drawings of the design are included where:Figure 1 is a perspective view of the present design;Figure 2 is a first side perspective view thereof;Figure 3 is a second side perspective view thereof, opposite to the firs side;Figure 4 is a first side view thereof;Figure 5 is a second side view thereof, opposite the first side view;Figure 6 is a top view thereof; andFigure 7 is a bottom view thereof.
申请公布号 CA113660(S) 申请公布日期 2007.02.19
申请号 CA20050113660F 申请日期 2005.11.25
申请人 VARCO I/P, INC. 发明人
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