4263517_High_voltage_direct_current_system_01.svg
Summary
Description 4263517 High voltage direct current system 01.svg |
English:
High voltage direct current system diagram. Patent 4263517
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Date | |
Source | Transferred from en.wikipedia to Commons. |
Author | DesbWit , from the original patent drawing by Hiroo Konishi, Hitachi |
Licensing
Public domain Public domain false false |
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In general
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the contents of United States patents are in the public domain
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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 ):
The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. (This template can be replaced by {{PD-US-patent-no notice}} in such cases.) |
Original upload log
Date/Time | Dimensions | User | Comment |
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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 | |