USD581400S1 - Antenna structure - Google Patents

Description

FIG. 1 is a perspective view of a first embodiment of an antenna structure showing my new design;

FIG. 2 is an inverted rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment of an antenna structure;

FIG. 9 is an inverted rear elevational view thereof;

FIG. 10 is a left side elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a front elevational view thereof; and,

FIG. 14 is a bottom plan view thereof.

The portions shown in broken lines are for illustrative purposes only and do not form any part of the claimed design.

Claims (1)

1. The ornamental design for an antenna structure, as shown and described.

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