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Official data from INPI

PROCESSO DE PRE-TRATAMENTO,A PRESSAO ATMOSFERICA OU PROXIMO DA PRESSAO ATMOSFERICA,POR UMECTACAO ALCALINA E TRATAMENTO TERMICO DE MINERIOS TRITURADOS CUJA GANGA COMPREENDE COMPOSTOS ARGILOSOS

ArquivadaInvention Patent

Application data

Number

PI8404730

Type

Invention Patent

Filing

09/21/1983

Publication

08/13/1985

Progress at the INPI

  1. Filing09/21/83
  2. Publication08/13/85
  3. Abandoned05/05/87
  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.

Talk to a specialist

Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PECHINEY URANIUM [FR]

Inventors

L. J. (pessoa física)

P. F. (pessoa física)

P. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1989

RPI 956

6.2

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

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