USD541504S1 - Laboratory jack - Google Patents

Description

FIG. 1 is a top plan view of a laboratory jack of the invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is one side elevational view thereof, the other side being a mirror image;

FIG. 6 is a top plan view of the laboratory jack of the invention in the expanded position;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is one side elevational view, the other being a mirror image.

The broken line showing some elements in the figures is for illustrative purposes only and forms no part of the claimed design.

Claims (1)

1. The ornamental design for a laboratory jack, as shown and described.

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