Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
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Application data
Number
PI8802943Type
Invention Patent
Filing
06/16/1988
Publication
02/21/1989
Progress at the INPI
- Filing06/16/88
- Publication02/21/89
- Examination02/05/91
- Allowance11/30/93
- Grant06/28/94
- 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. C. (pessoa física)
US
Inventors
J. H. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
11/08/1988
RPI 942
Carta-patente expirada
#21.1
Patente extinta em 16/06/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
06/28/1994
RPI 1230
Notificação para pagamento de retribuição
#13.1
04/19/1994
RPI 1220
Deferimento
#9.1
11/30/1993
RPI 1200
Solicitação de exame técnico
#4.1
02/05/1991
RPI 1053
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