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			   The ornamental design for a safe grating door, as shown and described.     
    
    
    
    
    
    
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The new design is a safe grating door, and the safe grating door is especially for children or using in a place other than a building.
FIG. 1 is a front view of a safe grating door showing my new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Aug 14 2000 | YANG, MING-LI | TUNG PANG INDUSTRIAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011039 | /0774 | |
| Aug 30 2000 | Tung Pang Industrial Co., Ltd. | (assignment on the face of the patent) | / | 
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