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US Patent: 426,636
Plane Bit
Triple Iron Cutter
Patentee:
Henry Condron - Chicago, IL

USPTO Classifications:
30/493

Tool Categories:
woodworking tools : planes : plane blades
woodworking tools : planes : plane cap irons

Assignees:
William H Barry - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
J. B. Halpenny
David Stevens
D. H. Fletcher

Patent Dates:
Applied: Feb. 10, 1890
Granted: Apr. 29, 1890

Patent Pictures:
USPTO pdf tiff
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Description:
The cutter combines a topiron, a thin blade, and a backing plate to reinforce the thin blade and prevent vibration.

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