File:Cathode_ray_tube_amusement_device_-_schematic.jpg
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![File:Cathode ray tube amusement device - schematic.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Cathode_ray_tube_amusement_device_-_schematic.jpg/800px-Cathode_ray_tube_amusement_device_-_schematic.jpg)
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Summary
DescriptionCathode ray tube amusement device - schematic.jpg |
English: Cathode Ray Tube Amusement Device Беларуская: Забаўляльная прылада з электронна-прамянёвай трубкай. |
Date | |
Source | US Patent 2455992 |
Author | Thomas Tolivan Goldsmith Jr. |
Licensing
Public domainPublic domainfalsefalse |
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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.) |
Captions
Items portrayed in this file
depicts
25 January 1947
image/jpeg
4e53fac4341774a7d1ebd639c7177b17a0c2b922
656,519 byte
2,324 pixel
3,252 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:33, 2 November 2012 | ![]() | 3,252 × 2,324 (641 KB) | Wormcast | User created page with UploadWizard |
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