File:Interlocking Chain Structure Patent.jpg

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Description
English: Patent Drawing for Interlocking Rigid Chain Actuator, U.S. Patent 3,645,146 (1972).
Date Filed: September 29, 1969
Source US Patent n° 3,645,146
Author Tony Nagin

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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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03:24, 6 August 2010 864 × 1,296 (266,876 bytes) w:en:Catsquisher (talk | contribs) <!== {{int:filedesc}} == {{Information |Description={{en|1=Patent Drawing for Interlocking Rigid Chain Actuator, U.S. Patent 3,645,146 (1972).}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsr

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current03:47, 2 October 2018Thumbnail for version as of 03:47, 2 October 2018864 × 1,296 (261 KB)Arlene the bean (talk | contribs)Transferred from en.wikipedia: see original upload log above

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