US Patent: 131,544 - Plane with Slotted Sole


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US Patent: 131,544

Improvements in Metallic Planes
Plane with Slotted Sole

Patentee:

Cyrus H. Hardy (exact or similar names) - 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 Co. - 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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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.