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US Patent: 278,935
Handsaw
Improvement in Saw-Frames
Patentee:
George W. Griffin - Franklin Falls, NH

USPTO Classifications:
30/513

Tool Categories:
metalworking tools : hacksaws

Assignees:
None

Manufacturer:
Unknown

Witnesses:
A. O. Orne
Fred A. Prull
Frank Proctor
ALexis Proctor

Patent Dates:
Applied: Apr. 04, 1883
Granted: Jun. 05, 1883

Patent Pictures: [ 1 | 2 ]
George W. Griffin patent June 5, 1883
USPTO pdf tiff
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Description:
The frame is solid. The main focus of the patent is the blade tensioner. It is a lever that folds into the handle.

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