Image:Rhodesdesign.png

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In general, the contents of United States patents are in the public domain.[1]

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:[2] [3]

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.

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.

Description	This image is of William Rhodes common ducted electrolyzer design.
Source	Rhodes, William (July, 1966). United States patent #3,262,872
Date	January 7'th, 2008
Author	William Rhodes
Permission (Reusing this image)	This is a unique image with non existent alternatives, and is necessary to provide substantive information in the relevant article.

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	Date/Time	Dimensions	User	Comment
current	17:53, 5 April 2008	576×746 (135 KB)	Omegatron (Talk \| contribs)	(crop out fig 2 [using an external editor])
	17:46, 5 April 2008	576×815 (140 KB)	Omegatron (Talk \| contribs)	(crop off line and rotate [using an external editor])
	05:46, 7 January 2008	586×820 (46 KB)	Nseidm1 (Talk \| contribs)	({{Information \|Description=This image is of William Rhodes common ducted electrolyzer design. \|Source= Rhodes, William (July, 1966). United States patent #3,262,872 \|Date= January 7'th, 2008 \|Author= William Rhodes \|Permission= This is a unique image with)