FIG. 1 is a perspective view of a gas lift plunger with curved, undercut grooves between radial extensions.
FIG. 2 is another perspective view of the gas lift plunger with the curved, undercut grooves between the radial extensions.
FIG. 3 is side view of the gas lift plunger with the curved undercut grooves between the radial extensions.
FIG. 4 is a side, cross-sectional view taken along the line 4-4 of FIG. 2, illustrating the externally-visible curved, undercut grooves between the radial extensions; and,
FIG. 5 is an enlarged, side, cross-sectional view, as indicated in FIG. 4, of the gas lift plunger, showing the externally-visible curved, undercut grooves between the radial extensions.
The broken lines depict portions of the article that form no part of the claimed design.
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