Archivo: United States Patent X1
Descripción: US patent X1 awarded to Samuel Hopkins.
Título: United States Patent X1
Créditos: US Patent n° X1
Autor(a): US Government
Permiso: Public domainPublic domainfalsefalse The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s) The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as Plantilla:PD-ineligible.
Términos de Uso: Dominio Público
Licencia: Dominio Público
¿Se exige la atribución?: No
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