This trademark appears to be for the word 'Monark' and appears to cover National Product Class 07, Sub-class 60 - which covers bicycle components amongst other things. It was registered to 'Bicicletas Monark S/A', with a priority date of 1957.

• Publisher: Instituto Nacional da Propriedade Industrial - Brazil
• Inventor: Bicicletas Monark S/A
• Country: Brazil
• Date: Priority date February 1957
• Derailleur brands: Monark
• Derailleurs: none