Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts625. ERICSON, G. Closure for High-Pressure Vessels Used for Synthesizing Chemicals, etc. United States Patent 2,213,161. Aug. 27. 1940: appl. filed Oct. 13, 1936, Serial No. 105,364: 1 claim (Cl. 220-3). Chem. Abs., vol. 35, 1941. p. 351. Various structural details. |