US Patent: 77,111 - Improved Mode of Surfacing Sheet Iron and Metal Plated


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US Patent: 77,111

Improved Mode of Surfacing Sheet Iron and Metal Plated

Patentee:

Thomas Shaw (exact or similar names) - Philadelphia, PA

USPTO Classifications:

148/625

Tool Categories:

woodworking machines : specialty woodworking machines : tool making machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

E. Cobb

Elias S. Shaw

Patent Dates:
Granted:	Apr. 21, 1868

Patent Pictures:

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Description:

Application of carbonaceous material to iron and steel surfaces while being hot rolled or formed using heat. Purpose is to prevent rapid corrosion of in the air and produce a smooth surface.