Smartphones from Nokia are mostly filed under its Nseries and Eseries categories. The former describes high-end entertainment devices, while the other is its business-oriented line. Over the weekend, gadget blog Gizmodo reported that the Finnish giant has trademarked the Cseries and Xseries names.
There's no indication of what this means at this point, though its recent joint announcement with Intel makes us wonder if one of these new brands could be for some new mobile Internet device. One commenter on Gizmodo speculated that it could just mean Consumer and XpressMusic (like the 5800, shown right), which makes sense as those two product lines do not fall under any of the Nokia "series" brandings at the moment. Let's wait and see if the Finns make any big announcements in the coming months.