Pedido de patente depositado
#2.1
11/21/1989
RPI 996
Application data
Number
PI8904262Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
H. S. (pessoa física)
NL
J. G. (pessoa física)
NL
T. H. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
11/21/1989
RPI 996
#21.1
Patente extinta em 24/08/2009
12/26/2012
RPI 2190
#16.1
06/29/1999
RPI 1486
#9.1
12/29/1998
RPI 1460
#6.1
07/28/1998
RPI 1440
#4.1
06/09/1992
RPI 1123
#3.1
04/10/1990
RPI 1013
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