Dental Keyway Device

FIG. 1 is a perspective view of a dental keyway device, showing our new design;

FIG. 2 is a top plan view of the dental keyway device shown in FIG. 1 ;

FIG. 3 is a bottom plan view of the dental keyway device shown in FIG. 1 ;

FIG. 4 is a first side elevation view of the dental keyway device shown in FIG. 1 ;

FIG. 5 is a second side elevation view of the dental keyway device shown in FIG. 1 ;

FIG. 6 is a front elevation view of the dental keyway device shown in FIG. 1 ;

FIG. 7 is a rear elevation view of the dental keyway device shown in FIG. 1 ;

FIG. 8 is a perspective view of a dental keyway device, showing our new design;

FIG. 9 is a top plan view of the dental keyway device shown in FIG. 8 ;

FIG. 10 is a bottom plan view of the dental keyway device shown in FIG. 8 ;

FIG. 11 is a first side elevation view of the dental keyway device shown in FIG. 8 ;

FIG. 12 is a second side elevation view of the dental keyway device shown in FIG. 8 ;

FIG. 13 is a front elevation view of the dental keyway device shown in FIG. 8 ;

FIG. 14 is a rear elevation view of the dental keyway device shown in FIG. 8 ;

FIG. 15 is a perspective view of a dental keyway device, showing our new design;

FIG. 16 is a top plan view of the dental keyway device shown in FIG. 15 ;

FIG. 17 is a bottom plan view of the dental keyway device shown in FIG. 15 ;

FIG. 18 is a first side elevation view of the dental keyway device shown in FIG. 15 ;

FIG. 19 is a second side elevation view of the dental keyway device shown in FIG. 15 ;

FIG. 20 is a front elevation view of the dental keyway device shown in FIG. 15 ;

FIG. 21 is a rear elevation view of the dental keyway device shown in FIG. 15 ;

FIG. 22 is a perspective view of a dental keyway device, showing our new design;

FIG. 23 is a top plan view of the dental keyway device shown in FIG. 22 ;

FIG. 24 is a bottom plan view of the dental keyway device shown in FIG. 22 ;

FIG. 25 is a first side elevation view of the dental keyway device shown in FIG. 22 ;

FIG. 26 is a second side elevation view of the dental keyway device shown in FIG. 22 ;

FIG. 27 is a front elevation view of the dental keyway device shown in FIG. 22 ; and,

FIG. 28 is a rear elevation view of the dental keyway device shown in FIG. 22 .

The dash-dash broken lines represent environmental structure that is not part of the design sought to be patented. The drawings contain a symbolic break indicated by dot-dash-dot break lines. The portion between the break lines forms no part of the claimed design.