US Patent: 572,446
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Gate Or Door Hook
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Patent Dates:
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Applied: |
May 18, 1896 |
Granted: |
Dec. 01, 1896 |
Patent Pictures:
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James M. Proctor patent December 1, 1896 with example of Buffum Tool Co. door hook |
USPTO pdf tiff Google Patents
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Description: |
Hook with "gravity latch" feature to prevent the hook being unfastened by livestock rubbing against it.
Known examples produced by the BUFFUM TOOL Co. of Louisiana, MO include the company's "swastika" trade mark. |
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