File:US3124991A Vibrato tuning device for stringed musical instruments. by Donald W. Costen. assigned to Gibson, Inc. (filed 1961-10-02, published 1964-03-17).pdf

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Original file ‎(1,158 × 1,702 pixels, file size: 458 KB, MIME type: application/pdf, 4 pages)

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Description US3124991A Vibrato tuning device for stringed musical instruments
Date (filled), 1964-03-17 (published)
Source https://patentimages.storage.googleapis.com/5f/86/e6/99aaa9c02f4058/US3124991.pdf
Author Donald W. Costen (assigned to Gibson, Inc.)
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(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}}.

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current23:59, 15 January 2022Thumbnail for version as of 23:59, 15 January 20221,158 × 1,702, 4 pages (458 KB)Clusternote (talk | contribs){{Information |Description= {{US patent|3124991A|US3124991A Vibrato tuning device for stringed musical instruments}} |Source= https://patentimages.storage.googleapis.com/5f/86/e6/99aaa9c02f4058/US3124991.pdf |Date = 1961-10-02 (filled), 1964-03-17 (published) |Author= Donald W. Costen (assigned to Gibson, Inc.) |Permission={{PD-US-patent-no notice}} |other_versions= |other_fields={{Information field|name=References|value= * {{Ref patent | country = US | number = 3124991A | status = appl...

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