US Patent: 86,144 - Flask for molding pipe


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US Patent: 86,144

Flask for molding pipe

Patentees:

John Farrar (exact or similar names) - Providence, RI

L. F. Whiting (exact or similar names) - Boston, MA

USPTO Classifications:

164/393

Tool Categories:

trade specific : foundryman

Assignees:

None

Manufacturer:

Pacific Iron Works - San Francisco, CA

Witnesses:

Socrates Scholfield

A. R. Abbott

Patent Dates:
Granted:	Jan. 26, 1869

Patent Pictures:

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Vintage Machinery entry for Pacific Iron Works

Description:

An 1872 ad from the Pacific Iron Works in San Francisco says, "We have fitted up a Foundry for the exclusive manufacture of Cast Iron GAS AND WATER PIPE by Farrar's patent process. This pipe is superior to any of Eastern or European manufacture."