File:Kanne chamber.JPG

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Description
English: Kanne Chamber, W. R. Kanne, Monitoring Gas for Radioactive Xenon, U.S. Patent 2,625,657, January 13, 1953. Filed Nov. 28, 1945
Date
Source US Patent and Trademark Office
Author W. R. Kanne

Licensing

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}}.

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13 January 1953

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