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US Patent: 2,568,092
Swivel connection for air operated chucks
Patentees: Harry E. Sloan (exact or similar names) - Hartford, CT George A. Highberg (exact or similar names) - West Hartford, CT USPTO Classifications: 269/32, 279/4.04, 285/101, 285/121.6, 285/280, 92/106 Tool Categories: metalworking machines : metal lathes : metal lathe chucks Assignees: Cushman Chuck Co. - Hartford, CT Manufacturer: Cushman Chuck Co. - Hartford, CT Witnesses: Unknown	Patent Dates: Applied: Apr. 25, 1947 Granted: Sep. 18, 1951 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cushman Chuck Co.
Description: This patent date was seen in a catalog for Cushman air-operated chuck.

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