The ornamental design for a seatframe, as shown and described.
FIG. 1 is a front perspective view of a seat frame showing my design in the
form of a frame for a chair;
FIG. 2 is a front perspective view of a second embodiment of my design
showing same in the form of a frame for a settee; and,
FIG. 3 is a front perspective view of a third embodiment of my design shown
in the form of a frame for a sofa.
The sides of the seat frame embodiments not shown are mirror images of the
respective sides shown while the undisclosed rear surfaces are
conventional in appearance.