 | The 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. PD-US Public domain in the United States https://enwiki.freddythechick.net/wiki/Template:PD-US-patent-no_notice |
