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Official data from INPI

APARELHO PARA O PROCESSAMENTO DE ÓLEO, E, SISTEMA PARA RECUPERAÇÃO DE ÓLEO

Em ExigênciaInvention Patent

Application data

Number

PI8507291

Type

Invention Patent

Filing

11/28/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing11/28/85
  2. Publication10/27/87
  3. Examination06/28/88
  4. Allowance06/05/90
  5. Grant02/13/91
  6. Terminated09/19/95

The patent was granted on 02/13/1991 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Conoco Specialty Products Inc

US

See this company's full portfolio

Inventors

G. P. (pessoa física)

AU

Technical data

Priority claims

AU

PG 8335/84 · 11/28/1984

AU

PG 9041/85 · 01/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

02/13/1991

RPI 1054

14.1

10/02/1990

RPI 1035

Notificação para pagamento de retribuição

#13.1

09/18/1990

RPI 1033

Deferimento

#9.1

06/05/1990

RPI 1021

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