Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8400976Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
INST FRANCAIS DU PETROLE [FR]
Inventors
B. G. (pessoa física)
D. P. (pessoa física)
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
#15.11
05/10/1988
RPI 916
#13.1
03/01/1988
RPI 906
#9.1
11/10/1987
RPI 890
#4.1
08/26/1986
RPI 827
#3.1
10/09/1984
RPI 729
#2.1
05/15/1984
RPI 708
#21.1
Patente extinta em 01/03/99
08/19/2008
RPI 1963
#15.11
10/01/1991
RPI 1087
From the same holder
Same category
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