Opinion · Court of Customs and Patent Appeals

In re Joliot

In re Joliot, 270 F.2d 954 (C.C.P.A. 1959)

Type
Opinion
Court
Court of Customs and Patent Appeals
Jurisdiction
Federal
Date
1959-07-20
Topic
general

MaetiN, Judge, delivered the opinion of the court: This is an appeal from the decision of the Board of Appeals of the United States Patent Office, dated July 31, 1958, affirming the rejection of claims 5, 6 and 8, all the claims remaining in appellant’s application for a patent, Serial No. 666,183, filed April 30, 1946, relating to “Improvements in and Relating to the Production of Energy through Nuclear Fission.” Priority, based on an application filed in France on April 30, 1940, is claimed under the Boykin Act (Public Law 690, 79th Congress). Claims 6 and 8, illustrative of the appealed claims, appear as follows: 6. A method for the improvement of the efficiency of methods and devices for the production of energy through nuclear fission of uranium, by means of a divergent chain reaction of neutrons, said method consisting in making use, for the reaction, of the uranimum element in a form in which the proportion of isotope 235 is about five times that of the said isotope in normally obtained uranium and the slowing down element is heavy water. 8. In a device for the production of energy through nuclear fission of uranium essentially formed of a mass of uranium susceptible to give rise under the action of neutrons to an emission of neutrons in a chain, the said mass being enclosed in a neutron reflecting envelope and comprising in its midst, an element for slowing down the neutrons and part at least of said neutrons to approximate thermal equilibrium with the mass, said elem…

Citator

UpLaw has not yet analyzed In re Joliot. The absence of a flag is not a finding that it is good law.

Cited by
2 opinions