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The ornamental design for a fire stop, as shown and described. |
FIG. 1 is a perspective view of a fire stop showing my new design;
FIG. 2 is a right side elevation thereof, the left side being a mirror image thereof;
FIG. 3 is a plan view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view of a second embodiment of a fire stop, wherein the only difference resides in the elimination of the central front piece.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 18 1979 | Brand Insulations, Inc. | (assignment on the face of the patent) | / |
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