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Official data from INPI

SEPARADOR DE FULIGEM PARA MOTORES DE COMBUSTÃO INTERNA DIESEL

PublicadaInvention Patent

Application data

Number

PI8805483

Type

Invention Patent

Filing

10/17/1988

Publication

07/04/1989

Progress at the INPI

  1. Filing10/17/88
  2. Publication07/04/89
  3. Examination04/10/90
  4. Allowance10/01/91
  5. Grant05/26/92
  6. Terminated10/24/95

The patent was granted on 05/26/1992 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

Filterwerk Mann & Hummel GmbH

DE

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Inventors

F. Z. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 40 907.7 · 12/03/1987

DE

P3740907.7 · 12/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/04/1989

RPI 976

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

02/04/1992

RPI 1105

Deferimento

#9.1

10/01/1991

RPI 1087

Solicitação de exame técnico

#4.1

04/10/1990

RPI 1013

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