File:Insulated electrical conductor (patent drawing).png

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Summary

Description
English: Insulated electrical conductor, patent n° 514,167.
Date
Source US Patent n° 514,167
Author Nikola Tesla
Permission
(Reusing this file)
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}}.

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Insulated_electrical_conductor_(patent_drawing).png

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  • 2007-05-04 23:52 Reddi 1672×829× (23613 bytes)

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6 February 1894Gregorian

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Date/TimeThumbnailDimensionsUserComment
current15:45, 27 April 2010Thumbnail for version as of 15:45, 27 April 20101,672 × 829 (23 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Source: United States Patent 514167}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia];
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