Publicação do pedido de patente
#3.1
08/08/1989
RPI 981
Application data
Number
PI8805979Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
C. W. (pessoa física)
NL
D. R. (pessoa física)
NL
F. J. (pessoa física)
NL
H. B. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/08/1989
RPI 981
#2.1
03/28/1989
RPI 962
#21.1
Patente extinta em 27/07/2009
12/18/2012
RPI 2189
#16.1
07/27/1999
RPI 1490
#9.1
03/23/1999
RPI 1472
#6.1
09/15/1998
RPI 1447
#4.1
08/27/1991
RPI 1082
From the same holder
Same category
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