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Patent number:
Patent Date:
US Patent: 2,843,389
Chuck
Patentees:
Harry E. Sloan (
exact
or
similar
names) - Hartford, Hartford County, CT
Linwood B. Swanson (
exact
or
similar
names) - New Britain, Hartford County, CT
USPTO Classifications:
279/127
,
279/137
,
279/3
,
279/4.12
Tool Categories:
metalworking machines
:
metal lathes
:
metal lathe chucks
Assignees:
Cushman Chuck Co.
- Hartford, Hartford County, CT
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Oct. 28, 1954
Granted:
Jul. 15, 1958
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Cushman Chuck Co.
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