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Official data from INPI

PROCESSO PARA A DESIONIZAÇÃO DE FLUIDOS COMBUSTÍVEIS E FILTRO DE DESIONIZAÇÃO PARA A REALIZAÇÃO DO PROCESSO

PublicadaInvention Patent
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Application data

Number

PI8705609

Type

Invention Patent

Filing

10/20/1987

Publication

05/16/1989
View on INPI

Progress at the INPI

  1. Filing10/20/87
  2. Publication05/16/89
  3. Examination02/13/91
  4. Allowance12/15/98
  5. Grant07/27/99
  6. Expired12/11/12

The letters patent expired on 12/11/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robert Bosch Limitada

SP, BR

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Inventors

A. P. (pessoa física)

BR

O. B. (pessoa física)

BR

Technical data

IPC Classification

B01J 43/00F02M 37/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/16/1989

RPI 969

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 27/07/2009

12/11/2012

RPI 2188

Concessão da patente

#16.1

07/27/1999

RPI 1490

Republicação - classificação IPC

#15.11

Alterada de B01J 43/00

12/15/1998

RPI 1458

Deferimento

#9.1

12/15/1998

RPI 1458

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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