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US Patent: RE2,576
Improvement in braces for bits
Patentee:
Nelson Spofford (exact or similar names) - Haverhill, MA

USPTO Classifications:
279/43.5

Tool Categories:
woodworking tools : braces : brace chucks

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Phineas E. Davis
Jeremiah P. Jones
Patent Dates:
Granted: Apr. 23, 1867

Reissue Information:
Reissue of 25,984 (Nov. 01, 1859)
Reissued as RE8,215 (May 07, 1878)

Patent Pictures: [ 1 | 2 ]
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Report data errors or omissions to steward Kirk Eppler
Description:
Extended twice. (April 23, 1867 as RE2,576 & November 1, 1873 as RE8,215

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