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US Patent: 916,344
Core-Box Plane
Patentee:
Clifford E. Martin - Greenfield, MA

USPTO Classifications:
30/479

Tool Categories:
woodworking tools : planes : core box planes

Assignees:
The Stanley Rule & Level Co. - New Britain, CT

Manufacturer:
The Stanley Rule & Level Co. - New Britain, CT

Witnesses:
Charles A. Peard
Frederick M. Dammenfelsen
Ellen K. O'Keefe
Francis Nims Thompson

Patent Dates:
Applied: Feb. 09, 1909
Granted: Mar. 23, 1909

Patent Pictures: [ 1 | 2 ]
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Description:
The Stanley #57 corebox plane. The core-box plane is formed from two "wing" sections which meet at a 90 degree angle. The plane can be moved in such a manner that perfect half-sections of circles can be planed out. These circular forms are known as cores in patternmaking.

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