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The ornamental design for a security door, as shown and described.
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FIG. 1 is a front view of the invention thereof;
FIG. 2 is a right side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a rear view thereof; and,
FIG. 5 is a left side view thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.
| Patent | Priority | Assignee | Title |
| D490539, | Feb 14 2003 | Richard, Heasley | Security door |
| D736961, | Nov 21 2013 | Lite Guard Safety Solutions Pty Ltd | Shield panel |
| D737474, | Nov 21 2013 | Lite Guard Safety Solutions Pty Ltd | Shield panel |
| D755410, | Feb 21 2013 | LITE GUARD SAFETY SOLUTIONS PTY LTD | Shield panel |
| Patent | Priority | Assignee | Title |
| 5979137, | Nov 24 1997 | Columbia Manufacturing Corp. | Security door |
| D341430, | Dec 12 1991 | Commonwealth of Puerto Rico | Metal door with grille |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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