File:Blinds patent John Hampson of New Orleans 1841.pdf
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Summary
[edit]DescriptionBlinds patent John Hampson of New Orleans 1841.pdf |
English: 1841 patent for the modern version of "Venetian Blinds" by John Hampson of New Orleans, US patent No. 2,223 |
Date | (patent granted) |
Source | 1841 US patent via https://patents.google.com/patent/US2223 |
Author | John Hampson |
Other versions | Patent drawing extracted and converted to png: File:Blinds patent John Hampson of New Orleans 1841 diagram.png |
Licensing
[edit]Public domainPublic domainfalsefalse |
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Public domainPublic domainfalsefalse |
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:Blinds_patent_John_Hampson_of_New_Orleans_1841.pdf |
Public domainPublic domainfalsefalse |
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current | 23:06, 28 July 2024 | 1,158 × 1,702, 2 pages (156 KB) | Infrogmation (talk | contribs) | Uploaded a work by John Hampson from 1841 US patent via https://patents.google.com/patent/US2223 with UploadWizard |
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Short title | 1498402735465647456-00002223 |
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Conversion program | ImageMagick 6.9.0-6 Q8 x86_64 2015-02-23 http://www.imagemagick.org |
Encrypted | no |
Page size | 556.8 x 817.92 pts |
Version of PDF format | 1.3 |