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Official data from INPI

DISPOSITIVO ECONOMIZADOR DE COMBUSTÍVEL

Prazo de SigiloInvention Patent

Application data

Number

PI8900990

Type

Invention Patent

Filing

03/03/1989

Publication

10/09/1990

Progress at the INPI

  1. Filing03/03/89
  2. Publication10/09/90
  3. Examination09/10/91
  4. Refused08/02/94
  5. Grant
  6. In force

The application was refused on 08/02/1994 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. M. (pessoa física)

SP, BR

J. R. (pessoa física)

SP, BR

Inventors

G. M. (pessoa física)

BR

J. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Republicação - classificação IPC

#15.11

03/01/1995

RPI 1265

111

08/02/1994

RPI 1235

Petição de recurso

#12.2

01/25/1994

RPI 1208

Indeferimento

#9.2

08/24/1993

RPI 1186

Solicitação de exame técnico

#4.1

09/10/1991

RPI 1084

Publicação do pedido de patente

#3.1

10/09/1990

RPI 1036

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