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Summary
| Description |
English: "Sun-Boiler" 1917 patent by Frank Shuman and Charles Vernon Boys - similar to modern parabolic trough solar power plants |
| Date | |
| Source | US Patent |
| Author | Frank Shuman and Charles Vernon Boys |
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
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:13, 16 July 2012 | 👁 Thumbnail for version as of 05:13, 16 July 2012 | 1,275 × 1,650, 9 pages (19.86 MB) | Apteva |
File usage
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Global file usage
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Metadata
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If the file has been modified from its original state, some details may not fully reflect the modified file.
| Software used | Writer |
|---|---|
| Conversion program | OpenOffice.org 3.3 |
| Encrypted | no |
| Version of PDF format | 1.4 |
| Page size | 612 x 792 pts (letter) |
