File:Fizeau Picture.JPG
Fizeau_Picture.JPG (646 × 422 pixels, file size: 42 KB, MIME type: image/jpeg)
| Description |
Fizeau interferometric device for measuring wavefronts. |
|---|---|
| Source |
This is Figure 1 of a US Patent granted to Mr. Sommargren (US 4,594,003) in 1986 by the US Patent & Trademark office. The publication itself is public domain. Three arrows with labels were added to clarify the diagram. These edits are supported by the specification. |
| Date | |
| Author |
Gary E. Sommargren of Madison, CT. |
| Permission (Reusing this file) |
See below.
|
 | 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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:51, 12 June 2007 | | 646 × 422 (42 KB) | Ckott72 (talk | contribs) | Fizeau interferometric device for measuring wavefronts. Gary E. Sommargren of Madison, CT. This is Figure 1 of a US Patent granted to Mr. Sommargren (US 4,594,003) in 1986 by the US Patent & Trademark office. The publication itself is public domain. T |
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