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US Patent: 1,657,978
Chain Pliers
Patentee:
Henry St. Pierre - Worcester, MA

USPTO Classifications:
59/3, 72/384

Tool Categories:
pliers : chain

Assignees:
St. Pierre Chain Corp. - Worcester, MA

Manufacturer:
St. Pierre Chain Corp. - Worcester, MA

Witnesses:
none listed

Patent Dates:
Applied: May 15, 1925
Granted: Jan. 31, 1928

Patent Pictures: [ 1 | 2 ]
Henry St. Pierre patent January 31, 1928
USPTO pdf tiff
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Description:
Pliers for removing and replacing cross chains on tire chains; the link spreading section is "inboard" from a link steadying section.

Chain pliers conforming broadly to this patent are marked ST. PIERRE WORCESTER MASS. ST. PIERRE compound leverage tire chain pliers for truck chains are marked with three patent numbers -- this patent, 1,658,995 (John N. MacDonald, Febr. 14, 1928) and 1,710,554.

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