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Official data from INPI

EQUIPAMENTO E PROCESSO PARA OBTER ENERGIA DE POÇOS DE PETRÓLEO

Em AnáliseInvention PatentPCT · EP1989000264

Application data

Number

PI8907319

Type

Invention Patent

Filing

03/13/1989

Publication

03/19/1991

PCT

EP1989000264

Progress at the INPI

  1. Filing03/13/89
  2. Publication03/19/91
  3. Examination01/28/92
  4. Allowance04/25/95
  5. Grant10/31/95
  6. Terminated12/31/96

The patent was granted on 10/31/1995 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: 12/31/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. A. (pessoa física)

DE

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Inventors

H. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 10951.4 · 03/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

11/15/1994

RPI 1250

Exigência - art. 36 da LPI

#6.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

01/28/1992

RPI 1104

Solicitação de exame não realizada

#4.2

09/03/1991

RPI 1083

Notificação de entrada na fase nacional - PCT

#1.3

03/19/1991

RPI 1059

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