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Official data from INPI

PROCESSO PARA PRODUZIR UM OLEO DE XISTO HIDROPROCESSADO A PARTIR DE UMA CARGA DE OLEO DE XISTO

Em AnáliseInvention Patent

Application data

Number

PI7806412

Type

Invention Patent

Filing

12/29/1977

Publication

-

Progress at the INPI

  1. Filing12/29/77
  2. Publication
  3. Examination
  4. Allowance08/10/82
  5. Grant08/27/85
  6. Terminated05/17/88

The patent was granted on 08/27/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

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Inventors

J. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

08/27/1985

RPI 775

110

05/28/1985

RPI 762

Recurso

#12.1

01/11/1983

RPI 638

Deferimento

#9.1

08/10/1982

RPI 616

6.2

10/20/1981

RPI 574

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