Publicação do pedido de patente
#3.1
01/05/1988
RPI 898
Application data
Number
PI8701392Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 01/05/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
P. B. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
01/05/1988
RPI 898
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 26/03/2002
07/29/2008
RPI 1960
#16.1
12/31/1996
RPI 1361
#9.1
03/19/1996
RPI 1320
#6.1
08/01/1995
RPI 1287
#7.1
09/20/1994
RPI 1242
#4.1
06/12/1990
RPI 1022
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