249 F. 752 | 8th Cir. | 1918
This case involves claims 1, 2, 4, 6, and 8 of patent No. 985,119, issued February 21, 1911, to Claude A. P. Turner, the plaintiff, for new and useful improvements in reinforced concrete building construction. The trial court held the claims void for want of novelty and invention; also that defendants had not infringed. 238 Fed. 377. The plaintiff appealed.
Since the Moore case the plaintiff’s patent has been in judgment in the following cases: In Drum v. Turner, 135 C. C. A. 74, 219 Fed. 188, also in this court, it was held anticipated by the prior patent to Norcross, No. 698,542, April 29, 1902. In Turner v. Lauter Piano Co., 236 Fed. 252, the District Court for the District of New Jersey decided that claims 4 and 8 were void for lack of invention in view of the prior art. This conclusion was recently affirmed by the Court of Appeals of the Third Circuit. - C. C. A. -, 248 Fed. 930. That court said that the places at which the stresses or strains in given concrete constructions may be expected, “while susceptible of accurate mathematical ascertainment, are so well known that they are determined empirically by many engaged in the art.” The court added :
“There is to-day neither invention nor novelty in merely placing metal reinforcement in concrete at places at which strains come. The very jirinciple of reinforcement, as the word denotes, is to give force to or strengthen the place that is weak by adding something that is strong. Invention in reinforcement is to be found only in discovering a new principle or in employ* ing new means, embodying the old principle.”
The decree is affirmed.