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Official data from INPI

SEPARADO ADEQUADO PARA SEPARACAO DE OLEO BRUTO CONTENDO GAS EM GAS E LIQUIDO

Em AnáliseInvention Patent

Application data

Number

PI8003303

Type

Invention Patent

Filing

05/30/1979

Publication

-

Progress at the INPI

  1. Filing05/30/79
  2. Publication
  3. Examination
  4. Allowance06/09/87
  5. Grant12/29/87
  6. Terminated09/26/89

The patent was granted on 12/29/1987 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH PETROLEUM CO

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Inventors

D. E. (pessoa física)

N. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

05/20/1986

RPI 813

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Conhecimento de parecer técnico

#7.1

12/13/1983

RPI 686

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