US Patent: 42,054 - Improvement in spikes and nails


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US Patent: 42,054

Improvement in spikes and nails

Patentees:

Daniel F. Tompkins (exact or similar names) - Newark, NJ

Fenn Willcox (exact or similar names) - Newark, NJ

William Watts (exact or similar names) - Newark, NJ

USPTO Classifications:

411/454

Tool Categories:

Assignees:

None

Manufacturer:

Watts, Campbell & Co. - Newark, NJ

Passaic Machine Works - Newark, NJ

Witnesses:

Sarah L. Tompkins

Mary E. Baldwin

Patent Dates:
Granted:	Mar. 22, 1864

Patent Pictures:

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Vintage Machinery entry for Passaic Machine Works

Description:

The innovation is in the use of helical grooves plus short flanges near the head, the combination intended to cause the nail or spike to turn as it is driven into the wood but to resist withdrawing.