Publicação do pedido de patente
#3.1
08/18/1987
RPI 878
Application data
Number
PI8605593Type
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: 08/18/1987. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
E. D. (pessoa física)
NL
R. W. (pessoa física)
NL
IPC Classification
Priority claims
NL
8503135 · 11/14/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/18/1987
RPI 878
#2.1
04/14/1987
RPI 860
#21.1
Patente extinta em 12/11/2001
07/22/2008
RPI 1959
#16.1
05/31/1994
RPI 1226
#9.1
10/26/1993
RPI 1195
#6.1
05/11/1993
RPI 1171
#4.1
02/01/1990
RPI 1004
From the same holder
Same category
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