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US Patent: 1,697,217
Lubricant Fitting
Patentee:
Oscar U. Zerk - Cleveland, OH

USPTO Classifications:
137/539, 184/105.3

Tool Categories:
industrial tools : tool lubricators : lubricating accessories

Assignees:
Alemite Mfg. Corp. - Chicago, IL

Manufacturer:
Alemite Mfg. Corp. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 19, 1924
Granted: Jan. 01, 1929

Patent Pictures:
1697217-1
USPTO pdf tiff
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Description:
This is the patent for the eponymous Zerk grease fitting.

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