The patent file contains at least one drawing executed in color. Copies of this patent with a color drawing will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a perspective view of an instrument showing a first embodiment of our new and ornamental design;
FIG. 2 is an alternate perspective view thereof;
FIG. 3 is an alternate perspective view thereof;
FIG. 4 is an alternate perspective view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a front elevation view thereof;
FIG. 7 is a side elevation view thereof;
FIG. 8 is a side elevation view thereof;
FIG. 9 is a top plan view thereof;
FIG. 10 is a perspective view of an instrument showing a second embodiment of our new and ornamental design;
FIG. 11 is an alternate perspective view thereof;
FIG. 12 is an alternate perspective view thereof;
FIG. 13 is an alternate perspective view thereof;
FIG. 14 is a rear elevation view thereof;
FIG. 15 is a front elevation view thereof;
FIG. 16 is a side elevation view thereof;
FIG. 17 is a side elevation view thereof;
FIG. 18 is a top plan view thereof;
FIG. 19 is a perspective view of an instrument showing a third embodiment of our new and ornamental design;
FIG. 20 is an alternate perspective view thereof;
FIG. 21 is an alternate perspective view thereof;
FIG. 22 is an alternate perspective view thereof;
FIG. 23 is a rear elevation view thereof;
FIG. 24 is a front elevation view thereof;
FIG. 25 is a side elevation view thereof;
FIG. 26 is a side elevation view thereof; and,
FIG. 27 is a top plan view thereof.
The broken lines illustrate portions of the instrument that form no part of the claimed design. The radiating lines illustrate the glow of the illumination emanating from the instrument.