Publicação do pedido de patente
#3.1
08/11/1987
RPI 877
Application data
Number
PI8605416Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
R. W. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/11/1987
RPI 877
#2.1
04/14/1987
RPI 860
#21.1
Patente extinta em 03/11/2001
07/22/2008
RPI 1959
#16.1
09/24/1991
RPI 1086
#13.1
05/28/1991
RPI 1069
#9.1
02/13/1991
RPI 1054
#6.1
09/25/1990
RPI 1034
#4.1
02/01/1990
RPI 1004
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