Solicitação de exame técnico
#4.1
02/24/1987
RPI 853
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Application data
Number
PI8502947Type
Invention Patent
Filing
06/20/1985
Publication
02/03/1987
Progress at the INPI
- Filing06/20/85
- Publication02/03/87
- Examination02/24/87
- Allowance09/04/90
- Grant03/26/91
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 02/24/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
C. M. (pessoa física)
PR, BR
Inventors
C. M. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
02/03/1987
RPI 850
Pedido de patente depositado
#2.1
09/03/1985
RPI 776
Carta-patente expirada
#21.1
Patente extinta em 20/06/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
03/26/1991
RPI 1060
Notificação para pagamento de retribuição
#13.1
12/18/1990
RPI 1046
Deferimento
#9.1
09/04/1990
RPI 1031
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