14.2
02/08/1989
RPI 955
The letters patent expired on 03/26/1996: 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: 02/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Equipgeo Equipamentos Geologicos Ltda.
SP, BR
R. F. (pessoa física)
SP, BR
Inventors
R. F. (pessoa física)
BR
R. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/08/1989
RPI 955
09/06/1988
RPI 933
#4.1
08/19/1986
RPI 826
#3.2
06/24/1986
RPI 818
#2.1
06/17/1986
RPI 817
#21.1
03/26/1996
RPI 1321
#20.1
07/16/1991
RPI 1076
#16.1
12/26/1990
RPI 1047
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
Same category
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