Carta-patente expirada
#21.1
Patente extinta em 05/04/2004
12/29/2009
RPI 2034
Back to search
Official data from INPI
PROCESSO PARA RECUPERAR ÓLEO DE UM RESERVATÓRIO
Arquivada/ExtintaInvention PatentPCT · AU1989000149
Application data
Number
PI8907383Type
Invention Patent
Filing
04/05/1989
Publication
04/23/1991
PCT
AU1989000149 Progress at the INPI
- Filing04/05/89
- Publication04/23/91
- Examination09/17/91
- Allowance05/09/95
- Grant11/28/95
- Expired12/29/09
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
B.W.N. Live-Oil Pty. Ltd
AU
Inventors
A. S. (pessoa física)
AU
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/28/1995
RPI 1304
Notificação para pagamento de retribuição
#13.1
09/26/1995
RPI 1295
Deferimento
#9.1
05/09/1995
RPI 1275
Exigência - art. 36 da LPI
#6.1
12/20/1994
RPI 1255
Exigência - art. 36 da LPI
#6.1
05/31/1994
RPI 1226
Solicitação de exame técnico
#4.1
09/17/1991
RPI 1085
Notificação de entrada na fase nacional - PCT
#1.3
04/23/1991
RPI 1064
Related
Same category
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.