Concessão da patente
#16.1
10/24/1989
RPI 992
The letters patent expired on 06/13/1995: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
ALCAN BRASIL [BR]
Inventors
J. M. (pessoa física)
BR
P. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
07/18/1989
RPI 978
#9.1
03/28/1989
RPI 962
#4.1
06/21/1988
RPI 922
#3.1
06/17/1986
RPI 817
#2.1
01/29/1985
RPI 745
#21.1
06/13/1995
RPI 1280
08/21/1990
RPI 1029
From the same holder
Same category
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