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Official data from INPI

MECANISMO PARA REMOCAO DE AGUA DO SISTEMA DE COMBUSTIVEL DE UM MOTOR DE COMBUSTAO INTERNA

ConcedidaInvention Patent

Application data

Number

PI8302393

Type

Invention Patent

Filing

05/07/1982

Publication

01/10/1984

Progress at the INPI

  1. Filing05/07/82
  2. Publication01/10/84
  3. Examination04/01/86
  4. Allowance09/08/87
  5. Grant05/31/88
  6. Terminated04/25/95

The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VOLKSWAGENWERK AG [DE]

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Inventors

H. P. (pessoa física)

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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