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Summary
editDescription |
Original patent drawing for U.S. Patent 28,837 "Fog Alarm" by C.L. Daboll, patented June 26, 1860. |
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Source | |
Date |
1860 |
Author |
C.L. Daboll |
Permission (Reusing this file) |
See below.
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Licensing
editThe text and illustrations of US patents are in the public domain in the United States unless the patent text contains a specific notice that portions are copyrighted.[1][2][3]
The original patent contains no such notice, so its contents are in the public domain in the United States. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:55, 25 May 2017 | 2,320 × 3,408 (40 KB) | Gabeb83 (talk | contribs) | Original patent drawing for U.S. Patent 28,837 "Fog Alarm" by C.L. Daboll, patented June 26, 1860. |
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