Solicitação de exame técnico
#4.1
09/27/1988
RPI 936
The letters patent expired on 07/01/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
M. A. (pessoa física)
SP, BR
Inventors
J. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/27/1988
RPI 936
#4.2
08/02/1988
RPI 928
#3.2
05/31/1988
RPI 919
12/22/1987
RPI 896
#2.1
12/22/1987
RPI 896
10/13/1987
RPI 886
#21.1
Patente extinta em 29/10/1996
07/01/2008
RPI 1956
#16.1
02/13/1991
RPI 1054
#13.1
11/13/1990
RPI 1041
#9.1
07/31/1990
RPI 1026
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Same category
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