Publicação do pedido de patente
#3.1
12/22/1987
RPI 896
Application data
Number
PI8701372Type
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
W. R. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/22/1987
RPI 896
#2.1
07/07/1987
RPI 872
#21.1
Patente extinta em 26/03/2002
07/29/2008
RPI 1960
#16.1
06/29/1993
RPI 1178
#13.1
04/27/1993
RPI 1169
#9.1
12/22/1992
RPI 1151
#6.1
11/26/1991
RPI 1095
#4.1
06/12/1990
RPI 1022
From the same holder
Same category
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