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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8405331

Type

Invention Patent

Filing

10/16/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/16/84
  2. Publication09/03/85
  3. Examination01/13/87
  4. Allowance03/01/88
  5. Grant09/27/88
  6. Terminated05/14/96

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut Français Du Petrole

FR

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Inventors

B. H. (pessoa física)

L. N. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Solicitação de exame técnico

#4.1

01/13/1987

RPI 847

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

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