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US Patent: 108,946
Improvement in Caps for Plane-Irons
Patentee:
Charles N. Tuttle - Auburn, NY

USPTO Classifications:
30/493

Tool Categories:
woodworking tools : planes : plane cap irons

Assignees:
None

Manufacturer:
A. Howland & Co - Auburn, NY

Witnesses:
Theo. Ebaugh
Jesse Arnold
C. W. Upham
C. N. Tuttle, Jr.

Patent Dates:
Granted: Nov. 01, 1870

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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Description:
Tuttle forms the threaded hub by brazing a piece of iron onto the steel cap. He claims this is less expensive than the earlier swaging on of the piece.

Charles N Tuttle, along with Edward Myderse Howland, Nelson Fitch, and C.P. Fitch had a contract for prison labor at Auburn State Prison from 1869 - 1874 to make plane irons and wooden planes. The DAT lists a "Howland & Co, Augustus working in Auburn NY as using a Beehive trademark.

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