US Patent: 2,096,022 - Lifting jack


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US Patent: 2,096,022

Lifting jack

Patentee:

Jack Akins (exact or similar names) - Benton Harbor, MI

USPTO Classifications:

254/102

Tool Categories:

material handling : jacks : vehicle jacks : automobile and truck jacks

Assignees:

Auto Specialties Mfg. Co. - St. Joseph, MI

Manufacturer:

Auto Specialties Mfg. Co. - St. Joseph, MI

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 20, 1934
Granted:	Oct. 19, 1937

Patent Pictures:

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Description:

This patent provides a means of forming the lifting screws by cold forming which was claimed to avoid compromising the tensile strength and did not introduce flaws that act as stress-risers.