The purpose of the technical drawings is to illustrate how the features of the invention interact based on examples of carrying out the invention. This is why unessential details should be left out.
Technical drawings must be black and white line drawings. It must also be possible to copy or reproduce them. Reference signs in the technical drawing create the context for the description.
You can get an idea of how a patent specification is structured and formulated in our sample document. Or you can order a print copy of a patent specification and we will send it to you free of charge.
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