Publicação do pedido de patente
#3.1
12/22/1987
RPI 896
Application data
Number
PI8701229Type
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: 12/22/1987. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
G. G. (pessoa física)
NL
W. V. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/22/1987
RPI 896
#2.1
06/23/1987
RPI 870
#21.1
Patente extinta em 18/03/2002
07/29/2008
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08/31/1993
RPI 1187
#13.1
06/08/1993
RPI 1175
#9.1
02/24/1993
RPI 1160
#6.1
06/02/1992
RPI 1122
#4.1
06/12/1990
RPI 1022
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