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Official data from INPI

PROCESSO PARA SINTERIZAÇÃO DA ILMENITA, E SINTER TITANÍFERO OBTIDO

PublicadaInvention Patent
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Application data

Number

PI8707195

Type

Invention Patent

Filing

12/23/1987

Publication

07/18/1989
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Progress at the INPI

  1. Filing12/23/87
  2. Publication07/18/89
  3. Abandoned09/11/90
  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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

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Inventors

A. G. (pessoa física)

N. S. (pessoa física)

Technical data

IPC Classification

C22B 1/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/18/1989

RPI 978

Arquivamento - Art. 36 §1° da LPI

#11.2

09/28/1999

RPI 1499

Exigência - art. 36 da LPI

#6.1

08/05/1997

RPI 1392

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

14.7

10/25/1994

RPI 1247

Exigência - art. 36 da LPI

#6.1

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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