File:US4022227.png

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Description
Ελληνικά: Στιγμιότυπα μεθόδου επικάλυψης φαλάκρας
Date
Source http://www.google.com/patents/US4022227?dq=4022227&ie=ISO-8859-1 - Google Patents
Author Smith Frank J, Smith Donald J

Licensing

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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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current18:43, 26 October 2015Thumbnail for version as of 18:43, 26 October 20152,320 × 3,408 (43 KB)Δέσποινα Κολαξή (talk | contribs)User created page with UploadWizard

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