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US Patent: 258,225
Calipers
Patentee:
Henry Foerster (exact or similar names) - Newark, NJ

USPTO Classifications:
33/558.01

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. V. Briesen
Harry M. Turk
John C. Turnbridge
Willy C.E. Schultz
Patent Dates:
Applied: Jul. 02, 1881
Granted: May 23, 1882

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a design for firm-joint calipers that uses a tapered eyelet instead of the usual rivet.

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