File:US1487664-0.png
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Summary
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| Description |
English: Heat engine |
| Date | |
| Source | http://www.google.com/patents/US1487664 |
| Author | Malone John Fox Jennens |
Drawing colored in to make it easier to recognize the parts.
Licensing
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:16, 9 October 2016 | | 2,436 × 1,376 (159 KB) | MichaelFrey (talk | contribs) | User created page with UploadWizard |
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