Publicação do pedido de patente
#3.1
05/31/1988
RPI 919
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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
R. K. (pessoa física)
SP, BR
Inventors
R. K. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/31/1988
RPI 919
#2.1
04/28/1987
RPI 862
#21.1
Patente extinta em 30/10/1996
07/01/2008
RPI 1956
#16.1
08/04/1992
RPI 1131
#13.1
02/04/1992
RPI 1105
#9.1
10/01/1991
RPI 1087
#6.1
04/30/1991
RPI 1065
#4.1
08/07/1990
RPI 1027
Same category
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