V.-Classified list of putents, &c.—Continued. CLASS V-Calorific, comprising lamps, fireplaces, stoves, grates, furnaces for heating buildings, cooking apparatus, pre- 58 V.-Classified list of patents, &c.—Continued. CLASS VI.-Steam and gas engines, including boilers and furnaces therefor, and parts thereof. Nov. 25, 1851. May 13, 1851. July 15, 1851. June 3, 1851. Mar. 18, 1851. Nov. 4, 1851; in Eng- Oct. 21, 1851. Feb. 4, 1851. William Mt. Storm. .... Troy, N. Y. Feb. 4, 1851. James A. Cutting... Philadelphia, Pa. May 6, 1851. Frederick P. Dimpfel. New York, N. Y. July 1, 1851. Francis B. Stevens... New York, N. Y. Mar. 25, 1851. Cincinnati, O... Rich'd. F. Loper & John W. Nystrom. Philadelphia, Pa. Samuel H. Gilman. Jan. 1, 1851. CLASS VII.-Navigation and maritime implements, comprising all vessels for conveyance on water, their construction, rigging, and propulsion, diving dresses, life-preservers, &c. |