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Official data from INPI

DISPOSITIVO DE FILTRAÇÃO PARA DESCARGA DE VEÍCULOS

DeferidaInvention Patent

Application data

Number

PI8407379

Type

Invention Patent

Filing

12/18/1984

Publication

11/03/1987

Progress at the INPI

  1. Filing12/18/84
  2. Publication11/03/87
  3. Examination05/24/88
  4. Allowance11/21/89
  5. Grant05/29/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rolf Johnsson, sueco

SE

Inventors

R. J. (pessoa física)

SE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/21/1989

RPI 996

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

05/24/1988

RPI 918

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Carta-patente expirada

#21.1

Patente extinta em 18/12/99

07/08/2008

RPI 1957

14.10

07/14/1992

RPI 1128

14.6

05/26/1992

RPI 1121

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/27/1990

RPI 1011

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