Publicação do pedido de patente
#3.1
08/22/1989
RPI 983
Application data
Number
PI8806626Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
A. B. (pessoa física)
NL
G. O. (pessoa física)
NL
T. T. (pessoa física)
NL
IPC Classification
Priority claims
GB
87 29555 · 12/18/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/22/1989
RPI 983
#2.1
04/18/1989
RPI 965
#21.1
Patente extinta em 15/12/2003
09/02/2008
RPI 1965
#16.1
11/26/1996
RPI 1356
#13.1
06/25/1996
RPI 1334
#9.1
12/26/1995
RPI 1308
#6.1
02/07/1995
RPI 1262
#4.1
09/03/1991
RPI 1083
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