6.2
05/30/1989
RPI 971
Application data
Number
PI8501589Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
L'Air Liquide-Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude
FR
Inventors
E. D. (pessoa física)
FR
G. M. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
12/22/1987
RPI 896
#3.1
12/03/1985
RPI 789
#2.1
07/02/1985
RPI 767
#21.1
Patente extinta em 03/04/2000
07/15/2008
RPI 1958
#15.11
05/28/1991
RPI 1069
#16.1
05/28/1991
RPI 1069
#13.1
01/29/1991
RPI 1052
#9.1
10/16/1990
RPI 1037
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Same category
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