MX F. I
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Ted Beatty reports that the Mexican patent subclass F. I.' was for Shipbuilding and war machines (Construcción de buques y aparatos de guerra).[1]
| Enclosing categories | Mexican patent classifications, MX F |
|---|---|
| Subcategories | |
| Keywords | marine navigation, shipbuilding, Military |
| Start year | 1903 |
| End year |
- ↑ Edward Beatty, “Mexico Patent Database 1840-1910,” University of Notre Dame: doi:10.7274/R0K64G4F, citing the underlying source: Mexico. Secretaria de Fomento. Oficina de Patentes y Marcas. Lista de las patentes por orden de clases…1903 (1905).
