120
12/12/1989
RPI 999
The letters patent expired on 12/19/1995: 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: 12/12/1989. 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).
12/12/1989
RPI 999
#12.2
08/01/1989
RPI 980
#9.2
04/04/1989
RPI 963
04/26/1988
RPI 914
#4.1
09/08/1987
RPI 881
#3.1
06/09/1987
RPI 868
#2.1
03/11/1986
RPI 803
#21.1
12/19/1995
RPI 1307
#16.1
10/30/1990
RPI 1039
#13.1
08/07/1990
RPI 1027
05/01/1990
RPI 1016
From the same holder
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