Notificação para pagamento de retribuição
#13.1
12/05/1989
RPI 998
Application data
Number
PI8203475Type
Filing
Publication
The letters patent expired on 07/01/2008: 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
Shell Internationale Research Maatschappij B.V
NL
Inventors
H. P. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
12/05/1989
RPI 998
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#4.1
08/06/1985
RPI 772
#3.1
06/07/1983
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#2.1
08/03/1982
RPI 615
#21.1
Patente extinta em 14/06/97
07/01/2008
RPI 1956
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03/20/1990
RPI 1010
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