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US Patent: 203,272
Hog-Ringing Implement
Patentee:
Hugh W. Hill - Decatur, IL

USPTO Classifications:
30/271, 72/409.02, 72/48

Tool Categories:
pliers : hog ring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. F. Chapman
J. S. Dempsey
Levi P. Graham

Patent Dates:
Applied: Jul. 30, 1877
Granted: May 07, 1878

Patent Pictures:
Hugh W. Hill patent May 7, 1878
USPTO pdf tiff
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HILL*S HOG RINGER and RINGS (FLICKR)
Description:
A sliding collar on one handle acts as a setting stop. The jaws are shaped differently than in Hill's previous hog ring pliers patent (no. 130,853, issued Aug. 27, 1872).

An 1891 hardware catalog lists HILL'S IMPROVED with a set screw to differentiate it from the "no set screw" style which is also listed. The "straight back" blank ring shown in the patent appears in three sizes - No. 1 Pig, No. 2 Shoat, No. 3 Hog.

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