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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}}.
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Upload date | User | Bytes | Dimensions | Comment
2011-03-04 17:42 (UTC) | Catsquisher | 263582 (bytes) | 799×1080 | {{Information |Description={{en|1=Patent Drawing for Cage-less Recirculating "Roller Screw System", U.S. Patent 7,044,017 (2006), with legend added.}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPT
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