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Official data from INPI

MATERIAL DE FRICÇÃO POROSO E PROCESSO DE ELABORAÇÃO DE UM MATERIAL DE FRICÇÃO POROSO

Em AnáliseInvention Patent

Application data

Number

PI8601735

Type

Invention Patent

Filing

04/17/1986

Publication

12/23/1986

Progress at the INPI

  1. Filing04/17/86
  2. Publication12/23/86
  3. Examination12/06/88
  4. Allowance02/04/92
  5. Grant10/27/92
  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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VALEO

FR

See this company's full portfolio

Inventors

M. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

FR 85 06 230 · 04/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

12/23/1986

RPI 844

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Carta-patente expirada

#21.1

Patente extinta em 17/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

06/09/1992

RPI 1123

Deferimento

#9.1

02/04/1992

RPI 1105

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

6.2

01/02/1990

RPI 1000

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