Publicação do pedido de patente
#3.1
08/01/1989
RPI 980
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Application data
Number
PI8805874Type
Invention Patent
Filing
11/10/1988
Publication
08/01/1989
Progress at the INPI
- Filing11/10/88
- Publication08/01/89
- Examination06/11/91
- Allowance09/06/94
- Grant03/28/95
- 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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. C. (pessoa física)
US
Inventors
G. R. (pessoa física)
US
J. E. (pessoa física)
US
M. J. (pessoa física)
US
R. O. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
03/28/1989
RPI 962
Carta-patente expirada
#21.1
Patente extinta em 10/11/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
03/28/1995
RPI 1269
Deferimento
#9.1
09/06/1994
RPI 1240
Exigência - art. 36 da LPI
#6.1
03/01/1994
RPI 1213
Solicitação de exame técnico
#4.1
06/11/1991
RPI 1071
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