The ornamental design for a babystrollerframe, as shown.
There are two co-pending and commonly owned U.S. Design Patent Applications filed on even date herewith and having the following titles and application numbers: Portable Baby Cot, application Ser. No. 29/431,682, and Baby Stroller Frame, application Ser. No. 29/431,674. These two applications are hereby incorporated by reference herein in their entireties.
FIG. 1 is a left side elevational view of a baby stroller frame showing the new design.