Publicação do pedido de patente
#3.1
05/09/1989
RPI 968
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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
T. N. (pessoa física)
SP, BR
Inventors
T. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/09/1989
RPI 968
#2.1
05/17/1988
RPI 917
#21.1
Patente extinta em 08/10/1997
07/01/2008
RPI 1956
#16.1
08/04/1992
RPI 1131
#13.1
12/17/1991
RPI 1098
#9.1
08/20/1991
RPI 1081
#6.1
01/29/1991
RPI 1052
#4.1
01/16/1990
RPI 1002
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Same category
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