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US Patent: 1,568,295
Locking device for depth gauge micrometers
Patentee:
John A. Schleicher - Saginaw, MI

USPTO Classifications:
33/542, 403/104, 403/109.5, 403/110, 403/343, 403/83, 74/531

Tool Categories:
layout tools : measurement gauges : depth gauges

Assignees:
Lufkin Rule Company - Saginaw, MI

Manufacturer:
Lufkin Rule Company - Saginaw, MI

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 17, 1925
Granted: Jan. 05, 1926

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
ebay micrometer had this patent date as well as Aug 1, 1922 1,568,295

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