348. Body and claims.

A specification1 customarily begins, after the title, with a general preamble stating, usually in more detail than in the title, the subject to which the invention relates, indicating upon what old arrangements the invention is an improvement and the respects in which they needed improvement, and otherwise stating the objects of the invention, possibly summarising other proposals for solving the same problems, and setting out the nature of the invention in general terms2. This statement usually includes a clause (the 'consistory clause'3), in substantially the same terms as the main claim. Then follows a detailed description of one or