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Patent number:
Patent Date:
US Patent: 553,531
Drill-chuck
Patentee:
George S. Long (
exact
or
similar
names) - Hartford, CT
USPTO Classifications:
279/61
Tool Categories:
metalworking machines
:
drilling and boring
:
drill presses
:
drill press chucks
woodworking machines
:
wood drilling and boring
:
drill presses
:
drill press chucks
Assignees:
Pratt & Long Chuck Co.
- Hartford, CT
Manufacturer:
Pratt & Weir Chuck Co.
- Hartford, CT
Witnesses:
Henry J. Gillette
Willard Eddy
Patent Dates:
Applied:
Feb. 18, 1890
Granted:
Jan. 28, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Weir Chuck Co.
Description:
In January 1895, the Pratt & Long Chuck Co. was renamed to the Pratt & Weir Chuck Co.
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