Solicitação de exame técnico
#4.1
09/20/1988
RPI 935
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Application data
Number
PI8603408Type
Invention Patent
Filing
07/18/1986
Publication
03/04/1987
Progress at the INPI
- Filing07/18/86
- Publication03/04/87
- Examination09/20/88
- Allowance10/22/91
- Grant08/25/92
- Expired07/22/08
The letters patent expired on 07/22/2008: 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: 09/20/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
H. V. (pessoa física)
DE
Inventors
H. V. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
03/04/1987
RPI 854
Pedido de patente depositado
#2.1
12/30/1986
RPI 845
Carta-patente expirada
#21.1
Patente extinta em 18/07/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
08/25/1992
RPI 1134
Republicação - classificação IPC
#15.11
03/17/1992
RPI 1111
Notificação para pagamento de retribuição
#13.1
03/03/1992
RPI 1109
Deferimento
#9.1
10/22/1991
RPI 1090
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