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Summary
| Description |
English: Figure 2 from US Patent No. 1,301,256: Compression-Relieving Mechanism, granted to William S. Harley on 22 April 1919 |
| Date | |
| Source | http://www.google.com/patents/US1301256 |
| Author | William S. Harley |
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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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:02, 22 July 2012 | 5,760 × 10,080 (3.49 MB) | SamBlob |
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