Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902356Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Petrole
FR
Inventors
F. D. (pessoa física)
FR
J. D. (pessoa física)
FR
M. H. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 19/05/2004
12/22/2009
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01/31/1995
RPI 1261
#13.1
10/11/1994
RPI 1245
#9.1
06/07/1994
RPI 1227
#5.1
08/04/1992
RPI 1131
#4.1
03/17/1992
RPI 1111
#3.1
01/09/1990
RPI 1001
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