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Official data from INPI

CONJUNTO SECCIONADOR

PublicadaInvention Patent

Application data

Number

PI8703802

Type

Invention Patent

Filing

07/21/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/21/87
  2. Publication03/29/88
  3. Examination11/20/90
  4. Allowance08/03/93
  5. Grant06/28/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BHP Titanium Minerals PTY Ltd

AU

Clyde Industries Limited

AU

Mineral Deposits Limited

AU

Mineral Deposits PTY Ltd

AU

Inventors

H. G. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

AU

PH7044 · 07/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 21/07/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

Transferido de: BHP Titanium Minerals Pty Ltd

02/17/1999

RPI 1467

Alteração de nome deferida

#25.4

Alterado de: Mineral Deposits Pty Ltd.

01/05/1999

RPI 1461

Alteração de nome deferida

#25.4

Alterado de: Mineral Deposits Ltd

11/10/1998

RPI 1453

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

01/18/1994

RPI 1207

Deferimento

#9.1

08/03/1993

RPI 1183

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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