...Supreme Court made the following statements which have most often been quoted by the lower courts: (1) The conjunction or concert of known elements must...parts is the accumulation of old devices patentable. * * * This case is wanting in any unusual or surprising consequences from the unification of elements...

...patent (an adjustable assembly for a folding door) and said: Courts have roughly defined synergism as when the "whole in some way exceeds the sum of its parts," when the combination produces a "new or different function," or "unusual or surprising consequences."...

...known in the prior art, as was the particular combination of such elements. The Court announced that "only when the whole in some way exceeds the sum of...parts is the accumulation of old devices patentable. . . . This case is wanting in any unusual or surprising consequences from the unification of the elements...

...new combination patentable as such. 4. SAME — SAME — WHOLE MUST EXCEED SUM OF PARTS. Held that the conjunction or concert of known elements must...parts is the accumulation of old devices patentable. 6. SAME — SAME — SAME. Since the function of a patent is to add to the sum of useful knowledge,...