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US Patent: 1,225,089
Chuck
Patentee:
David Weir (exact or similar names) - Hartford, CT

USPTO Classifications:
279/64

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press chucks
woodworking machines : wood drilling and boring : drill presses : drill press chucks

Assignees:
None

Manufacturer:
Doebler Mfg. Co. - Middletown, CT
Pratt & Weir Chuck Co. - Hartford, CT

Witnesses:
Louis Lucia
E. F. Eaton

Patent Dates:
Applied: Dec. 01, 1915
Granted: May 08, 1917

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Doebler Mfg. Co.
Vintage Machinery entry for Pratt & Weir Chuck Co.

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