The ornamental design for a fireextinguishingautogun, as shown and described herein.
FIG. 1 is a front/side perspective view of a fire extinguishing autogun showing my new design.
FIG. 2 is a front elevation view of the fire extinguishing autogun illustrated in FIG. 1.
FIG. 3 is a rear elevation view of the fire extinguishing autogun illustrated in FIG. 1.
FIG. 4 is a side view of the fire extinguishing autogun illustrated in FIG. 1.
FIG. 5 is an opposite side view of the fire extinguishing autogun illustrated in FIG. 1.
FIG. 6 is a top plan view of the fire extinguishing autogun illustrated in FIG. 1; and,
FIG. 7 is a bottom plan view of the fire extinguishing autogun illustrated in FIG. 1.
The portion of the fire extinguishing autogun shown in broken lines is provided for environmental purposes only and forms no part of the claimed design.