File:Screw-Threaded Mechanism.jpg

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Description
English: Patent Drawing for "Screw-Threaded Mechanism" original roller screw, U.S. Patent 2,683,379 (1954), with legend added.
Date Filed July 7, 1950
Source US Patent n° 2,683,379
Author Carl Bruno Strandgren

Licensing

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Public domain 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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Transferred from en.wikipedia to Commons using For the Common Good.

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
17:22, 20 January 2011 1,377 × 1,803 (521,186 bytes) w:en:Catsquisher (talk | contribs) {{Information |Description={{en|1=Patent Drawing for "Screw-Threaded Mechanism" original roller screw, U.S. Patent 2,683,379 (1954), with legend added.}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2

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current20:23, 3 October 2018Thumbnail for version as of 20:23, 3 October 20181,377 × 1,803 (509 KB)Arlene the bean (talk | contribs)Transferred from en.wikipedia: see original upload log above

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