File: DLPA RXN.GIF

source and rights

This file has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. This applies worldwide. Note: This tag is deprecated! Please use instead:

This image is in the public domain because its copyright has expired in the United States and those countries with a copyright term of life of the author plus 100 years or less.

(for works out of copyright where the author has been dead for over 100 years), 

Template:PD-art (for photos of old paintings), Template:PD-ineligible (for trivial work),

This work is in the public domain because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.

(for work by the U.S. government), 

This image is in the public domain in the United States. In most cases, this means that it was first published prior to January 1, 1923. (see the talk page for more cases). Other jurisdictions may have other rules, and this image might not be in the public domain outside the United States. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

(for work that is public domain for the U.S. only),

I, the creator of this work, hereby release it into the public domain. This applies worldwide.
In case this is not legally possible,
I grant any entity the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

(if the uploader releases the rights),

Template:PD-user (if another user released his/her rights). If the work is PD for another reason, check the copyright tag page or use Template:PD-because.