Solicitação de exame técnico
#4.1
09/12/1989
RPI 986
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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
F. M. (pessoa física)
SP, BR
Inventors
F. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/12/1989
RPI 986
#3.1
07/05/1988
RPI 924
#2.1
05/05/1987
RPI 863
#21.1
Patente extinta em 18/12/1996
07/01/2008
RPI 1956
#20.1
06/07/1994
RPI 1227
#16.1
06/25/1991
RPI 1073
#13.1
03/12/1991
RPI 1058
#15.11
03/05/1991
RPI 1057
#9.1
11/27/1990
RPI 1043
#6.1
06/26/1990
RPI 1024
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