14.7
11/24/1987
RPI 892
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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
L. P. (pessoa física)
SP, BR
Inventors
L. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/24/1987
RPI 892
#4.1
09/08/1987
RPI 881
#3.2
07/21/1987
RPI 874
#2.1
07/14/1987
RPI 873
#21.1
Patente extinta em 15/04/1997
07/01/2008
RPI 1956
07/18/1995
RPI 1285
#17.1
11/23/1993
RPI 1199
#16.1
12/29/1992
RPI 1152
#13.1
09/22/1992
RPI 1138
#9.1
05/05/1992
RPI 1118
#6.1
10/15/1991
RPI 1089
#6.1
08/21/1990
RPI 1029
Same category
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