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GB Patent: GB-186,601,089
Improvements in manufacturing nuts and the preparation of the metal therefor, and in the machinery or apparatus employed therein
Patentee:
Orrin Clark Burdict - Newhaven, CT

USPTO Classifications:

Tool Categories:
specialty machines : nut or bolt making machines

Assignees:
None

Manufacturer:
Plumb, Burdict & Barnard - Buffalo, NY

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 30, 1864

Patent Pictures:
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Description:
In 1869 our inventor joined the Buffalo, NY, bolt-making concern of Bell & Plumb, which soon became Plumb, Burdict & Barnard. Burdict patented a series of machines that automated the process of bolt and nut making. Under the Plumb, Burdict & Barnard name these machines were manufactured for sale to other bolt and nut makers, until they realized that there was more money to be made in keeping the machines and making all the nuts and bolts themselves with their superior machines. As a result, they dominated the market for square-head nuts and bolts until the patents expired in the 1890s.

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