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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE MATERIAIS COMPÓSITOS CERAMISADOS

ConcedidaInvention Patent

Application data

Number

PI8206092

Type

Invention Patent

Filing

10/19/1982

Publication

09/13/1983

Progress at the INPI

  1. Filing10/19/82
  2. Publication09/13/83
  3. Examination10/01/85
  4. Allowance02/28/89
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Office National D'Etudes Et de Recherches Aerospatiales (por abreviação O.N.E.R.A.)

FR

Inventors

J. J. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 19692 · 10/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

Patente extinta em 19/10/97

07/01/2008

RPI 1956

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