Notificação para pagamento de retribuição
#13.1
11/14/1989
RPI 995
The letters patent expired on 09/12/1995: 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: 11/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
S. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
11/14/1989
RPI 995
#9.1
07/11/1989
RPI 977
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01/31/1989
RPI 954
#6.1
12/04/1984
RPI 737
#6.1
01/17/1984
RPI 691
#4.1
03/29/1983
RPI 649
#21.1
09/12/1995
RPI 1293
#16.1
02/06/1990
RPI 1005
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