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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UMA FERROLIGA

Arquivada/ExtintaInvention PatentPCT · AU1990000233

Application data

Number

PI9007369

Type

Invention Patent

Filing

05/30/1990

Publication

05/19/1992

PCT

AU1990000233

Progress at the INPI

  1. Filing05/30/90
  2. Publication05/19/92
  3. Examination03/16/93
  4. Allowance03/21/00
  5. Grant08/22/00
  6. Expired01/15/13

The letters patent expired on 01/15/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CRA Services Limited

AU

Inventors

G. T. (pessoa física)

CA

J. H. (pessoa física)

AU

R. B. (pessoa física)

AU

R. G. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PJ 4546 · 06/02/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/08/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

08/22/2000

RPI 1546

Deferimento

#9.1

03/21/2000

RPI 1524

Exigência - art. 36 da LPI

#6.1

09/08/1999

RPI 1496

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

05/19/1992

RPI 1120

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