120
04/18/1989
RPI 965
The letters patent expired on 10/03/1995: 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: 04/18/1989. We update with every new RPI gazette, published weekly.
Applicants
Tubos e Conexões Tigre Ltda
SC, BR
Inventors
D. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/18/1989
RPI 965
#12.1
01/10/1989
RPI 951
#9.1
09/27/1988
RPI 936
05/10/1988
RPI 916
#4.1
07/07/1987
RPI 872
#3.1
03/24/1987
RPI 857
#2.1
11/05/1985
RPI 785
#21.1
10/03/1995
RPI 1296
#16.1
10/30/1990
RPI 1039
#13.1
08/07/1990
RPI 1027
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Same category
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