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Summary

Description
English: US patent X1 awarded to Samuel Hopkins.
Date
Source US Patent n° X1
Author US Government
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}}.

Other versions Image:Hopkins patent 1.gif

Licensing

Public domain
This work is in the public domain in the United States 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. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Captions

The first U.S. patent, for potash processing

Items portrayed in this file

depicts

inception

31 July 1790Gregorian

File history

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Date/TimeThumbnailDimensionsUserComment
current02:34, 6 November 2007Thumbnail for version as of 02:34, 6 November 20072,640 × 2,090 (113 KB)John Vandenberg{{Information |Description=US patent X1 awarded to w:Samuel Hopkins (inventor) |Source=http://patimg1.uspto.gov/.piw?Docid=X0000001&idkey=NONE |Date=July 31st 1790 |Author=US Government |Permission={{PD-US-patent}}

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