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US Patent: 499,227
Hack Saw Frame
Patentee:
Fred E. Horne - Maiden, MA

USPTO Classifications:
30/510

Tool Categories:
metalworking tools : hacksaws

Assignees:
None

Manufacturer:
Henry G. Thompson & Son - New Haven, CT

Witnesses:
F. F. Raymond, Jr.
J. M. Dolan

Patent Dates:
Applied: Jan. 24, 1893
Granted: Jun. 13, 1893

Patent Pictures:
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"Vintage Machinery" entry for Henry G. Thompson & Son
Description:
Two piece frame to allow use of different sized blades. Two overlaping pieces with holes and corresponding locking pins for rigidity and fixing the length. Known example marked with patent and 2 Jun 1896 patent (561353).

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