Image:Mouse-patents-englebart-rid.png
From Wikipedia, the free encyclopedia
Size of this preview: 800 × 250 pixels
Full resolution (882 × 276 pixels, file size: 40 KB, MIME type: image/png)
| This is a file from the Wikimedia Commons. The description on its description page there is shown below.
|
| Description |
Early mouse patents. (left to right) Opposing track wheels by Englebart, 11/70, 3541541. Ball and wheel by Rider, 9/74, 3835464. Ball and two rollers with spring by Opocentsky, 10/76, 3987685. |
|---|---|
| Source |
Originally from en.wikipedia; description page is/was here. |
| Date |
2005-02-11 (original upload date) |
| Author |
Original uploader was Jeremykemp at en.wikipedia |
| Permission (Reusing this image) |
PD-US-PATENT. |
[edit] License information
 |
In general, the contents of United States patents are in the public domain.[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]
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.) |
[edit] Original upload log
(All user names refer to en.wikipedia)
- 2005-02-11 17:39 Jeremykemp 882×276×8 (41005 bytes) mouse patents
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 14:34, 13 January 2007 | 882×276 (40 KB) | Liftarn | ({{Information |Description=Early mouse patents. (left to right) Opposing track wheels by ''Englebart'', 11/70, [http://www.freepatentsonline.com/image-3541541-1.html 3541541]. Ball and wheel by ''Rider'', 9/74, [http://www.freepatentsonline.com/3835464.ht) |
