| 
 | The ornamental design for a fire ladder rung, as shown and described. | |||||||||||||||||
FIG. 1 is a perspective view of a fire ladder rung showing our new design, it being understood that the broken lines are for illustrative purposes only;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is an end elevational view thereof.
Aberer, James B., Ostroski, Richard J., Breeden, John W.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Jan 16 1978 | Rival Manufacturing Company | (assignment on the face of the patent) | / | |||
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