300
12/05/1989
RPI 998
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: 12/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Eternit S/A
SP, BR
Inventors
G. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/05/1989
RPI 998
09/19/1989
RPI 987
#17.1
12/13/1988
RPI 947
#16.1
10/25/1988
RPI 940
#13.1
07/26/1988
RPI 927
#9.1
04/12/1988
RPI 912
#6.1
12/15/1987
RPI 895
#4.1
03/10/1987
RPI 855
#3.1
07/01/1986
RPI 819
#2.1
03/26/1985
RPI 753
#21.1
06/13/1995
RPI 1280
03/19/1991
RPI 1059
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Same category
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