Improved Means for Securing Gutters and the like to their Supports
7955. Donnis, W. S. April 14. Holdfasts; metal pipes, securing. Integral with the article is a boss or thickening through which the screw passes. The bore is undercut and filled with red lead &c. above the screw head to prevent corrosion.
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
30.12.1905
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| Online Access | Get full text |
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| Summary: | 7955. Donnis, W. S. April 14. Holdfasts; metal pipes, securing. Integral with the article is a boss or thickening through which the screw passes. The bore is undercut and filled with red lead &c. above the screw head to prevent corrosion. |
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| Bibliography: | Application Number: GBD190507955 |