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Patent number:
Patent Date:
US Patent: 2,493,297
Orifice Cleaning Means
Patentee:
Walter S. Landon (
exact
or
similar
names) - Detroit, Wayne County, MI
USPTO Classifications:
137/238
,
137/400
,
137/94
,
236/99H
,
236/99R
,
251/57
,
251/65
,
431/32
,
431/62
,
431/64
Tool Categories:
specialty tools
:
pipe and orifice cleaners
industrial machines
:
industrial machine mechanisms
:
industrial control apparatus
:
flow controls
Assignees:
Detroit Lubricator Co.
- Detroit, Wayne County, MI
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Jul. 09, 1945
Granted:
Jan. 03, 1950
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Detroit Lubricator Co.
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