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Official data from INPI

PROCESSO PARA AUMENTAR O TAMANHO DAS PARTÍCULAS DE UM MINERAL TITANÍFERO E AGLOMERADO

Arquivada/ExtintaInvention PatentPCT · AU1989000315

Application data

Number

PI8907582

Type

Invention Patent

Filing

07/25/1989

Publication

05/12/1992

PCT

AU1989000315

Progress at the INPI

  1. Filing07/25/89
  2. Publication05/12/92
  3. Examination03/22/94
  4. Allowance08/25/98
  5. Grant02/23/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commonwealth Scientific & Industrial Research Organisation

AU

Inventors

J. H. (pessoa física)

AU

K. C. (pessoa física)

AU

M. H. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PI 9487 · 07/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

08/25/1998

RPI 1444

Exigência - art. 36 da LPI

#6.1

09/17/1996

RPI 1346

Solicitação de exame técnico

#4.1

03/22/1994

RPI 1216

Notificação de entrada na fase nacional - PCT

#1.3

05/12/1992

RPI 1119

Notificação de entrada na fase nacional - PCT

#1.3

02/18/1992

RPI 1107

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