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Official data from INPI

SISTEMA PARA DESPOLUIÇÃO DOS GASES EMANADOS DO ESCAPAMENTO DE VEÍCULOS AUTOMOTORES EM GERAL

Prazo de SigiloInvention Patent

Application data

Number

PI8802869

Type

Invention Patent

Filing

06/03/1988

Publication

01/23/1990

Progress at the INPI

Under appeal
  1. Filing06/03/88
  2. Publication01/23/90
  3. Examination04/21/92
  4. Refused05/11/93
  5. Grant
  6. In force

The application was refused by the INPI on 05/11/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. L. (pessoa física)

RS, BR

Inventors

T. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Republicação - classificação IPC

#15.11

03/07/1995

RPI 1266

Indeferimento

#9.2

05/11/1993

RPI 1171

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Publicação do pedido de patente

#3.1

01/23/1990

RPI 1003

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