Patent drawing of Fan Moved by Mechanism, 11/27/1830. The original drawing for this patent was destroyed by a fire in the Patent Office in 1836. The coverage date is the original patent date. This drawing is a restoration created in 1837 or shortly thereafter. Source.

	This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
Kjo skedë është identifikuar si e lirë e kufizimeve të panjohura në ligjin e të drejtave të autorit, duke përfshirë të gjitha të drejtat e lidhura dhe fqinje.

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse