US Patent: 215,836 - Improvement in Lock-Nuts


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US Patent: 215,836

Improvement in Lock-Nuts

Patentee:

George W. Rhines (exact or similar names) - Ridgway, PA

USPTO Classifications:

411/295, 411/919, 411/940, 81/121.1

Tool Categories:

wrenches : auxiliary wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Mar. 05, 1879
Granted:	May 27, 1879

Patent Pictures:

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Description:

The patent is for a set-screw within a bore-hole in the side of a nut. The specifications and drawing describe a socket wrench to tighten this set-screw.