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Official data from INPI

PROCESSOS PARA PREPARAR E PRODUZIR UM CONCENTRADO DE FERRO-NÍQUEL

ArquivadaInvention Patent

Application data

Number

PI8307013

Type

Invention Patent

Filing

12/21/1983

Publication

07/31/1984

Progress at the INPI

  1. Filing12/21/83
  2. Publication07/31/84
  3. Abandoned08/12/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

B. H. (pessoa física)

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

8207013 · 12/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

12/27/1988

RPI 949

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

07/31/1984

RPI 719

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

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