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Official data from INPI

FILTRO DE ASPIRAÇÃO DE ÓLEO COMBUSTÍVEL NUM RESERVATÓRIO, SOBRETUDO DE VEÍCULO

Em AnáliseInvention Patent

Application data

Number

PI8603491

Type

Invention Patent

Filing

07/24/1986

Publication

03/15/1988

Progress at the INPI

  1. Filing07/24/86
  2. Publication03/15/88
  3. Examination07/05/88
  4. Allowance06/26/90
  5. Grant02/13/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

FR

Inventors

M. B. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

01/13/1987

RPI 847

Carta-patente expirada

#21.1

Patente extinta em 24/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

10/09/1990

RPI 1036

Deferimento

#9.1

06/26/1990

RPI 1024

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