Solicitação de exame técnico
#4.1
06/09/1987
RPI 868
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: 06/09/1987. We update with every new RPI gazette, published weekly.
Applicants
J. P. (pessoa física)
SP, BR
Inventors
J. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/09/1987
RPI 868
#3.2
03/17/1987
RPI 856
#2.1
03/04/1987
RPI 854
#21.1
Patente extinta em 08/10/1996
07/01/2008
RPI 1956
#16.1
03/30/1993
RPI 1165
#13.1
11/24/1992
RPI 1147
#9.1
05/26/1992
RPI 1121
#6.1
09/17/1991
RPI 1085
From the same holder
Same category
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