(a) .................................................................................... . (b) IfWe, ............................................................................ . do hereby declare the invention, for which I/We pray that a patent may be granted to me/us, and the method by which it is to be performed, to be particularly described in and by the following statement: (c) .................................................................................... . NOlE:-The claims must rdate to a single invention. must be clear and succinct and mu~t be fairly based on the matter disclosed in the specification. They should define the scope of the invention claimed. Applicants should be careful that their claims include neither mor.: nor less than they desired to protect by their patent. Any unnecessary multiplicity of claims 'or prolixity of language should be avoided. Claims should not be made for the efficiency or advantages of the invention.