File:BunkerOpener.JPG
BunkerOpener.JPG (523 × 429 pixels, file size: 47 KB, MIME type: image/jpeg)
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Summary
| Description |
English: US Patent 1838525 |
| Date | |
| Source | Google patents |
| Author | Charles Arthur Bunker |
Licensing
 |
In general, the contents of United States patents are in the public domain.
In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent (see 37 CFR 1.71(d) & (e) and 37 CFR 1.84(s), and MPEP § 608.01(e) & (w) and MPEP § 1512):
The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. (This template can be replaced by {{PD-US-patent-no notice}} in such cases.)
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:50, 13 August 2009 | | 523 × 429 (47 KB) | Materialscientist | ==Summary== {{Information |Description = US Patent 1838525 |Source = Google patents |Date = December 29, 1931 |Author = Charles Arthur Bunker |other_versions = }} == Licensing == {{PD-US-patent}} [[Category:Food utens |
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