The ornamental design for a collapsibleperambulatorframe, as shown and cribed.
FIG. 1 is a rear perspective view of a collapsible perambulator frame
showing my new design;
FIG. 2 is a side perspective view thereof the opposite side being a mirror
image of that shown; and
FIG. 3 is a side perspective view thereof in collapsed condition with
portions of the handle and front wheels broken away for convenience of
illustration.