File:1931.04.06 Andrussow US 01934838 A1.pdf

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search
Go to page
next page →
next page →
next page →

Original file ‎(1,295 × 1,754 pixels, file size: 431 KB, MIME type: application/pdf, 4 pages)

Captions

Captions

Add a one-line explanation of what this file represents

Summary[edit]

Description
English: US Patent 1,934,838 on the oxidation of ammonia and methane for production of hydrogen cyanide
Date
Source Freepatents online
Author Leonid Andrussow
Permission
(Reusing this file)
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.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current06:25, 19 July 2009Thumbnail for version as of 06:25, 19 July 20091,295 × 1,754, 4 pages (431 KB)Hermann Luyken (talk | contribs){{Information |Description={{en|1=US Patent 1,934,838 on the oxidation of ammonia and methane for production of hydrogen cyanide}} |Source=Freepatents online |Author=Leonid Andrussow |Date= |Permission= |other_versions= }}

You cannot overwrite this file.

There are no pages that use this file.

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:1931.04.06_Andrussow_US_01934838_A1.pdf&oldid=746757861"