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US Patent: 72,582
Handsaw
Patentee:
John F. Allen - New York, NY

USPTO Classifications:
83/837

Tool Categories:
woodworking tools : handsaws : backsaws : dovetail saws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Derfer
Henry E. Roeder

Patent Dates:
Granted: Dec. 24, 1867

Patent Pictures:
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Description:
Handsaw with two separate cutting planes. Forward teeth cut the side of the dovetail and upon reaching the desired depth the blade is inserted further to cut the bottom of the dovetail.

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