This trademark appears to be for a Caloi logo and appears to cover National Product Class 07, Sub-class 60 - which covers bicycle components amongst other things. It was registered to 'Caloi Norte SA', with a priority date of 1953.

• Publisher: Instituto Nacional da Propriedade Industrial - Brazil
• Inventor: Caloi Norte SA
• Country: Brazil
• Date: Priority date January 1953
• Derailleur brands: Caloi
• Derailleurs: none