13.2
12/27/1988
RPI 949
The letters patent expired on 09/17/1996: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Biotec Lâminas e Material Didático Ltda.
SP, BR
Inventors
J. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/27/1988
RPI 949
12/27/1988
RPI 949
#9.1.1
12/27/1988
RPI 949
#13.1
10/25/1988
RPI 940
#9.1
06/28/1988
RPI 923
#6.1
12/29/1987
RPI 897
09/01/1987
RPI 880
#3.2
03/31/1987
RPI 858
#2.1
01/13/1987
RPI 847
#21.1
09/17/1996
RPI 1346
#16.1
08/04/1992
RPI 1131
#9.1
12/10/1991
RPI 1097
#4.1
04/09/1991
RPI 1062
Same category
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