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Patent number:
Patent Date:
US Patent: 2,122,360
Chuck
Patentees:
Harry E. Sloan (
exact
or
similar
names) - Hartford, Hartford County, CT
George A. Highberg (
exact
or
similar
names) - West Hartford, Hartford County, CT
USPTO Classifications:
279/121
,
279/134
,
279/137
,
279/156
,
82/165
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:
Aug. 24, 1936
Granted:
Jun. 28, 1938
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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