File:Alexander Graham Bell's Telephone Patent Drawing and Oath - NARA - 302052 (page 2).jpg
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Summary[edit]
DescriptionAlexander Graham Bell's Telephone Patent Drawing and Oath - NARA - 302052 (page 2).jpg |
English: Alexander Graham Bell's Telephone Patent Drawing, 03/07/1876. Bell's telephone was the first apparatus to transmit human speech via machine. His work culminated in one of the most profitable and contested of all 19th-century patents. From the National Archives. |
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Author | Alexander Graham Bell |
Licensing[edit]
Public domainPublic domainfalsefalse |
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.) |
Original upload log[edit]
Date/Time | Dimensions | User | Comment |
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2004-12-15 05:50 | 864×1200× (154102 bytes) | Brian0918 | Alexander Graham Bell's Telephone Patent Drawing, 03/07/1876. Bell's telephone was the first apparatus to transmit human speech via machine. His work culminated in one of the most profitable and contested of all 19th-century patents. From the National A |
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current | 10:36, 30 May 2015 | 864 × 1,200 (150 KB) | Mdd (talk | contribs) | Transferred from en.wikipedia |
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Image title | Portrait |
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JPEG file comment | File written by Adobe Photoshop¨ 4.0 |
IIM version | 2 |