File:Screw-Threaded Mechanism.jpg
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Original file (1,377 × 1,803 pixels, file size: 509 KB, MIME type: image/jpeg)
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Summary
| Description |
English: Patent Drawing for "Screw-Threaded Mechanism" original roller screw, U.S. Patent 2,683,379 (1954), with legend added. |
| Date | Filed July 7, 1950 |
| Source | US Patent n° 2,683,379 |
| Author | Carl Bruno Strandgren |
Licensing
|
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 |
|---|---|---|---|
| 17:22, 20 January 2011 | 1,377 × 1,803 (521,186 bytes) | w:en:Catsquisher (talk | contribs) | {{Information |Description={{en|1=Patent Drawing for "Screw-Threaded Mechanism" original roller screw, U.S. Patent 2,683,379 (1954), with legend added.}} |Source=[http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2 |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:23, 3 October 2018 | | 1,377 × 1,803 (509 KB) | Arlene the bean | Transferred from en.wikipedia: see original upload log above |
File usage
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