So I guess if the 15 amp fuses are working, the only time the wires were overloaded was with the pool filter. The fact that something stopped working in the fuse box at the same time was likely a blessing. I would still open up the plugs between the panel and the garage on that line and just look for any signs of heat dammage. The other thing I would do is change the first plug on that line to gfi plug. That would protect the kids at the pool, they don't need a ground wire to work. I would also change the stove fuses to 40 amp, 60 amps there is just pushing your luck.
While you are thinking about upgrading, the electric company will want the new meter to be within a few feet of the front of the house on the side, just another expence if it has to be moved.