Publicação antecipada
#3.2
06/06/1989
RPI 972
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Application data
Number
PI8804840Type
Invention Patent
Filing
09/15/1988
Publication
06/06/1989
Progress at the INPI
- Filing09/15/88
- Publication06/06/89
- Examination01/02/90
- Allowance06/06/95
- Grant03/26/96
- Expired09/02/08
The letters patent expired on 09/02/2008: 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: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Usina Açucareira Santa Luiza Ltda
SP, BR
Inventors
R. P. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
02/08/1989
RPI 955
Carta-patente expirada
#21.1
Patente extinta em 15/09/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
03/26/1996
RPI 1321
Notificação para pagamento de retribuição
#13.1
10/17/1995
RPI 1298
Deferimento
#9.1
06/06/1995
RPI 1279
Solicitação de exame técnico
#4.1
01/02/1990
RPI 1000
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