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US Patent: 286,836
Fruit Jar Opener
Patentee:
Gustave A. M. Liljencrantz - Chicago, IL

USPTO Classifications:
81/176.3, 81/3.07

Tool Categories:
wrenches : jar wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
S. S. Schoff
Frank D. Thomason
James H. Coyne

Patent Dates:
Applied: Sep. 01, 1883
Granted: Oct. 16, 1883

Patent Pictures:
G. A. M. Liljencrantz patent October 16, 1883
USPTO pdf tiff
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Description:
This wrench design has a swinging hook jaw that would engage an exterior lug on screw-on jar caps so equipped.

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