File:US496716-drawings-page-1.png
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Summary
[edit]DescriptionUS496716-drawings-page-1.png |
English: US patent US496716A: Two-dimensional puzzles with slideable or rotatable elements or groups of elements, the main configuration remaining unchanged with rotatable concentric rings or discs. |
Date | |
Source |
http://patentimages.storage.googleapis.com/b6/b7/a0/50ef3fa8bb8738/US496716-drawings-page-1.png from http://patents.google.com/patent/US496716A |
Author | Manuel Benitez |
Licensing
[edit]Public domainPublic domainfalsefalse |
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:US496716-drawings-page-1.png |
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current | 11:13, 6 March 2021 | ![]() | 2,048 × 3,072 (75 KB) | Cmglee (talk | contribs) | Uploaded a work by Manuel Benitez from http://patentimages.storage.googleapis.com/b6/b7/a0/50ef3fa8bb8738/US496716-drawings-page-1.png from http://patents.google.com/patent/US496716A with UploadWizard |
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Vertical resolution | 118.11 dpc |