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Summary
| Description | |
| Source | From US patent 4429656 |
| Author |
Licensing
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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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Original upload log
Transferred from en.wikipedia to Commons using For the Common Good.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 02:25, 15 May 2009 | 715 × 646 (61,677 bytes) | w:en:Steamer405 (talk | contribs) | From US patent 4429656. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:31, 15 March 2017 | | 715 × 646 (60 KB) | Andy Dingley | Transferred from en.wikipedia: see original upload log above |
