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Description
English: High voltage direct current system diagram. Patent 4263517
Date
Source Transferred from en.wikipedia to Commons.
Author DesbWit, from the original patent drawing by Hiroo Konishi, Hitachi

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In general, the contents of United States patents are in the public domain.

In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent (see 37 CFR 1.71(d) & (e) and 37 CFR 1.84(s), and MPEP § 608.01(e) & (w) and MPEP § 1512):

A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by any­one of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all (copyright or mask work) rights whatsoever.

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U.S. Patent 4,263,517


Original upload log

The original description page was here. All following user names refer to en.wikipedia.
Date/Time Dimensions User Comment
2010-09-07 13:09 1212×726× (103451 bytes) DesbWit There were two unneeded circles drawn.
2010-09-02 16:15 1212×726× (103834 bytes) DesbWit This is a vectorized version of [http://en.wikipedia.org/wiki/File:4263517_High_voltage_direct_current_system.png 4263517_High_voltage_direct_current_system.png] {{Information | Description = High voltage direct current system diagram. Patent 4263517 |

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21 April 1981

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813eee079a20361239c3a5a31e2d47f56f2c6b9b

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Date/TimeThumbnailDimensionsUserComment
current04:35, 4 September 2015Thumbnail for version as of 04:35, 4 September 20151,212 × 726 (101 KB)OgreBot(BOT): Reverting to most recent version before archival
04:35, 4 September 2015Thumbnail for version as of 04:35, 4 September 20151,212 × 726 (101 KB)OgreBot(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2010-09-02 16:15:30 by DesbWit
02:01, 1 September 2015Thumbnail for version as of 02:01, 1 September 20151,212 × 726 (101 KB)Mike HayesTransferred from en.wikipedia

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