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Official data from INPI

PROCESSO DE MEDIDAS GEOFÍSICAS NUM POÇO PERFURADO E DISPOSITIVO PARA APLICAÇÃO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI8406286

Type

Invention Patent

Filing

12/07/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing12/07/84
  2. Publication10/01/85
  3. Examination06/16/87
  4. Allowance08/23/88
  5. Grant04/24/90
  6. Terminated10/16/90

The patent was granted on 04/24/1990 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societe Nationale Elf Aquitaine (Production)

FR

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Inventors

P. S. (pessoa física)

FR

P. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83 19 727 · 12/09/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/13/1988

RPI 947

Deferimento

#9.1

08/23/1988

RPI 931

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

02/26/1985

RPI 749

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

Concessão da patente

#16.1

04/24/1990

RPI 1015

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