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US Patent: 2,757,009
Chucks
Patentees: Harry E. Sloan (exact or similar names) - Hartford, CT Herbert W. Hickey (exact or similar names) - Hartford, CT USPTO Classifications: 279/112 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: Feb. 04, 1952 Granted: Jul. 31, 1956 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 on a Cushman catalog for their "pinch-type jaws", along with patents 2,757,010, 2,904,339 and 2,860,884.

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