File:Bump gate from patent.gif
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Summary
| Description |
English: Drawing of a bump gate, taken from US Patent US 2693653, published Nov. 9, 1954. |
| Source | U.S. Patent 2,693,653 |
| Author | A. Dean, jr. |
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}}. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:04, 15 April 2021 | | 2,156 × 1,360 (85 KB) | WikiMichi | == {{int:filedesc}} == {{Information |description={{en|Drawing of a bump gate, taken from US Patent [https://patents.google.com/patent/US2693653A/ US 2693653].}} |source={{US Patent|2693653}} |author=A. Dean, jr. |date= |permission= |other_versions= }} == {{int:license-header}} == {{PD-US-patent-no notice}} Category:Agricultural tools illustrations Category:Cattle management Category:Patent drawings |
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