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US Patent: 2,276,462
Boring chuck
Patentee:
Harry F. Brown - Detroit, MI

USPTO Classifications:
279/6

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories
metalworking tools : boring bars
metalworking machines : milling machines : milling machine accessories

Assignees:
None

Manufacturer:
DeSoto Tool Co. - Detroit, MI

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 17, 1942

Patent Pictures:
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Description:
The patent specification references the inventor's earlier patent 2,177,820.

An example of this invention has been seen. It is stamped with the patent number, "DeSoto Boring Chuck", and "DeSoto Tool Co., Detroit". The DeSoto Boring Chuck was written up in various metalworking magazines in the mid-1940s.

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