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US Patent: 131,544
Improvements in Metallic Planes
Plane with Slotted Sole
Patentee:
Cyrus H. Hardy - Boston, MA

USPTO Classifications:
30/478

Tool Categories:
woodworking tools : planes : bench planes

Assignees:
Joseph F. Baldwin - Boston, MA
Melina C. Patton - Boston, MA
John Lully - Boston, MA

Manufacturer:
Boston Metallic Plane Company - Boston, MA

Witnesses:
Saml. M. Barton
J. L. Wheeler
Carrol D. Wright

Patent Dates:
Granted: Sep. 24, 1872

Patent Pictures: [ 1 | 2 | 3 ]
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Patrick Leach's Inner Sanctum
Description:
Known as the plane with the gaping holes, the patent also claims the curvy grip, which Hardy called a "shield". It functions as both a wedge and a tote.

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