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Summary
Licensing
Public domain Public domain false false
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}} .
Original upload log
Transferred from en.wikipedia to Commons using For the Common Good .
The original description page was
here . All following user names refer to en.wikipedia.
Date/Time
Dimensions
User
Comment
07:25, 22 September 2016
1,813 × 3,090 (92,649 bytes)
w:en:Begoon (talk | contribs )
crop - feel free to revert
07:20, 22 September 2016
2,320 × 3,408 (102,576 bytes)
w:en:Begoon (talk | contribs )
http://patentimages.storage.googleapis.com/pages/US194980-0.png
19:28, 20 September 2016
1,708 × 1,921 (58,942 bytes)
w:en:PraeceptorIP (talk | contribs )
22:32, 19 September 2016
1,708 × 1,921 (58,942 bytes)
w:en:PraeceptorIP (talk | contribs )
Uploading a public-domain item using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]
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File history
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Date/Time Thumbnail Dimensions User Comment
current 03:58, 23 September 2016 1,813 × 3,090 (90 KB) commons>OgreBot (BOT): Reverting to most recent version before archival
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