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Official data from INPI

DISPOSITIVO DE ANCORAGEM

DeferidaInvention Patent

Application data

Number

PI8502311

Type

Invention Patent

Filing

05/10/1985

Publication

01/21/1986

Progress at the INPI

  1. Filing05/10/85
  2. Publication01/21/86
  3. Examination02/02/88
  4. Allowance08/29/89
  5. Grant06/26/90
  6. Terminated05/21/96

The patent was granted on 06/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut Français du Petrole

FR

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Inventors

M. L. (pessoa física)

FR

P. H. (pessoa física)

FR

Technical data

Priority claims

FR

84/07.281 · 05/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

6.2

02/14/1989

RPI 956

Solicitação de exame técnico

#4.1

02/02/1988

RPI 902

Publicação do pedido de patente

#3.1

01/21/1986

RPI 796

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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