Polymerase chain reaction instrument

Description

FIG. 1 is a front perspective view of a first embodiment of a polymerase chain reaction instrument.

FIG. 2 is a back perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a back view thereof.

FIG. 5 is a side view thereof.

FIG. 6 is a side view thereof.

FIG. 7 is a top view thereof.

FIG. 8 is a bottom view thereof.

FIG. 9 is a front perspective view of a second embodiment of a polymerase chain reaction instrument.

FIG. 10 is a back perspective view thereof.

FIG. 11 is a front view thereof.

FIG. 12 is a back view thereof.

FIG. 13 is a side view thereof.

FIG. 14 is a side view thereof.

FIG. 15 is a top view thereof; and,

FIG. 16 is a bottom view thereof.

The broken lines shown in the drawings illustrate portions of the polymerase chain reaction instrument that form no part of the claimed design.

Claims

The ornamental design for a polymerase chain reaction instrument, as shown and described.