A novel paper clip with a substantially planar profile, with an arrangement of structures that, among other things, reduces the risk tearing paper. To apply for a patent, you must file an application and pay required fees.This breakdown will help you to fill out your disclosure, as well as outline key points that you may need to consider. I've simplified my design for the letter rings so you can make them with paper clips. The double oval shape of a paper clip is instantly recognisable. The way that it turns in on itself with its three hair-pin bends and rounded top and bottom. PAPER-BINDING CLP. 1,139,627. Specification of Letters Patent. The Arizona Public Patent Program exists to help you secure free, expert assistance for your invention.