File:Philip Haas Commercial Flushing Valve Design.png
Original file (1,735 × 1,672 pixels, file size: 76 KB, MIME type: image/png)
Summary
[edit]
| Description |
From US Patent |
|---|---|
| Source |
US Patent #1,614,468 |
| Date |
1924 |
| Author |
Philip Haas |
| Permission (Reusing this file) |
See below.
|
Licensing
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 | In general, the contents of United States patents are in the public domain in the US.[1] 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: [2][3][4](archived) 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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:03, 4 September 2013 | | 1,735 × 1,672 (76 KB) | Cboning (talk | contribs) | Uploading a public-domain item using File Upload Wizard |
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