Solicitação de exame técnico
#4.1
11/21/1989
RPI 996
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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
INBRAMAQ - Industria Brasileira de Máquinas Ltda
SP, BR
Inventors
P. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/21/1989
RPI 996
#3.1
06/21/1988
RPI 922
#2.1
06/23/1987
RPI 870
#21.1
Patente extinta em 20/11/1996
07/01/2008
RPI 1956
#16.1
12/26/1990
RPI 1047
#13.1
09/18/1990
RPI 1033
#9.1
06/05/1990
RPI 1021
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