US Patent: 1,133,353
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Lubricator cup
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Patentee:
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Charles F. Wray (exact or similar names) - Rochester, NY |
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Patent Dates:
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Applied: |
Feb. 02, 1914 |
Granted: |
Mar. 30, 1915 |
Patent Pictures:
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Russ Allen
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Description: |
A datamp user reports seeing these cups usually called drip oilers. It's to provide a fill opening and swivel cover for same. |
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