"I would worry that 'Removable' would be declared 'Obvious' and not be part of the patent."
That is not a worry for me...I have always considered it to be obvious.
IMO...Its going to come down to what's under the wrapper.
I will really be surprise if the removable claim is part of their argument of infringe.
PCMCIA slots were around for removable components prior to Norris.
doni
