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DescriptionUS Patent 1670627 - golf tee.png
English: U.S. Patent 1,670,267, w:William Lowell, Sr. filed a patent application for the "Reddy Tee", which was granted U.S. patent No. 1,493,687 on May 13, 1924. He painted the wood tees red, and he formed the Reddy Tee Co. Lowell
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.
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The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)
The original patent contains no such notice, so its contents are in the public domain.
Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.