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Official data from INPI

UM DISPOSITIVO PARA FREAGEM E PARTIDA DE ROTACAO DE MOTOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI7503040

Type

Invention Patent

Filing

05/15/1975

Publication

-

Progress at the INPI

  1. Filing05/15/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/02/01
  6. Expired05/09/23

The letters patent expired on 05/09/2023: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/09/2023. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

SP, BR

Inventors

C. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/05/2011

05/09/2023

RPI 2731

Concessão anulada

#16.2

Referente a RPI 1582 de 02/05/2001.

05/22/2001

RPI 1585

Concessão da patente

#16.1

05/02/2001

RPI 1582

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