(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PRÉ-AQUECIMENTO E PRÉ-REDUÇÃO DE UM ÓXIDO DE METAL

Arquivada/ExtintaInvention PatentPCT · AU1990000232

Application data

Number

PI9007413

Type

Invention Patent

Filing

05/30/1990

Publication

04/14/1992

PCT

AU1990000232

Progress at the INPI

  1. Filing05/30/90
  2. Publication04/14/92
  3. Examination11/03/92
  4. Allowance06/08/99
  5. Grant02/22/00
  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, companhia australiana

AU

Inventors

G. T. (pessoa física)

CA

J. H. (pessoa física)

AU

R. B. (pessoa física)

AU

R. G. (pessoa física)

AU

Technical data

Priority claims

AU

PJ 4545 · 06/02/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

06/08/1999

RPI 1483

Solicitação de exame técnico

#4.1

11/03/1992

RPI 1144

Notificação de entrada na fase nacional - PCT

#1.3

04/14/1992

RPI 1115

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.