Solicitação de exame técnico
#4.1
04/11/1989
RPI 964
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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Técnica Granville Ltda.
PR, BR
Inventors
C. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/11/1989
RPI 964
#3.1
06/21/1988
RPI 922
#2.1
05/05/1987
RPI 863
#21.1
Patente extinta em 27/11/1996
07/01/2008
RPI 1956
#16.1
09/25/1990
RPI 1034
#13.1
05/08/1990
RPI 1017
#9.1
01/16/1990
RPI 1002
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