Carta-patente expirada
#21.1
Patente extinta em 10/05/2010
01/15/2013
RPI 2193
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Official data from INPI
PROCESSO PARA A PRODUÇÃO DE TITÂNIA SOLÚVEL EM ÁCIDO
Arquivada/ExtintaInvention PatentPCT · AU1990000190
Application data
Number
PI9007364Type
Invention Patent
Filing
05/10/1990
Publication
05/12/1992
PCT
AU1990000190 Progress at the INPI
- Filing05/10/90
- Publication05/12/92
- Examination07/06/93
- Allowance02/17/99
- Grant07/27/99
- 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 specialistLatest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Wimmera Industrial Minerals Pty. Ltd.
AU
Inventors
B. O. (pessoa física)
AU
M. H. (pessoa física)
AU
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
07/27/1999
RPI 1490
Deferimento
#9.1
02/17/1999
RPI 1467
Exigência - art. 36 da LPI
#6.1
01/27/1998
RPI 1414
Solicitação de exame técnico
#4.1
07/06/1993
RPI 1179
Notificação de entrada na fase nacional - PCT
#1.3
05/12/1992
RPI 1119
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