US Patent: 150,625 - Tempering and Forming Articles of Steel


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US Patent: 150,625

Tempering and Forming Articles of Steel

Patentees:

George F. Simonds (exact or similar names) - Fitchburg, MA

James A. Ferson (exact or similar names) - Fitchburg, MA

USPTO Classifications:

148/646

Tool Categories:

woodworking machines : specialty woodworking machines : tool making machines

Assignees:

Simonds Manufacturing Co. - Fitchburg, MA

Manufacturer:

Not known to have been produced

Witnesses:

Geo. T. Smallwood, Jr.

H. R. Edelen

Alfred Hitchcock

Alvan A. Simonds

Patent Dates:
Applied:	Apr. 07, 1874
Granted:	May 05, 1874

Patent Pictures:

G. F. Simonds and J.A. Ferson Pat. May 5, 1874

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Description:

The patent is a set of clamps and related tempering processes for forming circular saw blades. The clamp also appears in pat. no. 151,167 for the furnace in which this process would be carried out.