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Official data from INPI

SISTEMA ANTI-REFLUXO DOS GASES DE CARBURAÇAO PARA MOTOR 2 TEMPOS

Em AnáliseUtility Model

Application data

Number

MU6700862

Type

Utility Model

Filing

05/04/1987

Publication

11/29/1988

Progress at the INPI

  1. Filing05/04/87
  2. Publication11/29/88
  3. Examination07/04/89
  4. Allowance12/24/91
  5. Grant09/29/92
  6. Terminated10/31/95

The patent was granted on 09/29/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. T. (pessoa física)

J. A. (pessoa física)

RS, BR

Inventors

C. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/04/1989

RPI 976

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

11/10/1987

RPI 890

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

09/29/1992

RPI 1139

Notificação para pagamento de retribuição

#13.1

05/19/1992

RPI 1120

Deferimento

#9.1

12/24/1991

RPI 1099

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

14.1

10/23/1990

RPI 1038

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