File:19560731 Bowling pin-setting mechanism - U. S. Patent 2,757,000.png
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Summary[edit]
Description19560731 Bowling pin-setting mechanism - U. S. Patent 2,757,000.png |
English: Assembled clippings from U. S. Patent 2,757,000, "Bowling pin-setting mechanism", including Figure 2, altered by uploader to highlight candlepins in blue. |
Date | |
Source | https://patents.google.com/patent/US2757000A/en?oq=US2%2c757%2c000 (Google patents) |
Author | United States Government, U.S. Patent and Trademark Office publishing in 1956 the patent drawing of inventors Howard M. Dowd and Royal L. Barrows. |
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.) |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:34, 25 April 2021 | 1,641 × 3,260 (658 KB) | RCraig09 (talk | contribs) | Version 2: reduced file size at tinypng.com | |
21:21, 23 May 2019 | 1,641 × 3,260 (1.25 MB) | RCraig09 (talk | contribs) | User created page with UploadWizard |
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