Solicitação de exame técnico
#4.1
01/17/1989
RPI 952
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Application data
Number
PI8602227Type
Invention Patent
Filing
05/16/1986
Publication
12/22/1987
Progress at the INPI
- Filing05/16/86
- Publication12/22/87
- Examination01/17/89
- Allowance06/16/92
- Grant03/30/93
- 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: 01/17/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
R. F. (pessoa física)
SP, BR
Inventors
R. F. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
12/22/1987
RPI 896
Pedido de patente depositado
#2.1
11/11/1986
RPI 838
Carta-patente expirada
#21.1
Patente extinta em 16/05/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
03/30/1993
RPI 1165
Notificação para pagamento de retribuição
#13.1
09/08/1992
RPI 1136
100
06/16/1992
RPI 1124
Petição de recurso
#12.2
02/04/1992
RPI 1105
Indeferimento
#9.2
08/13/1991
RPI 1080
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