Publicação do pedido de patente
#3.1
06/23/1987
RPI 870
Application data
Number
PI8404694Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 06/23/1987. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Petrole
FR
Inventors
D. C. (pessoa física)
FR
D. C. (pessoa física)
G. L. (pessoa física)
N. Q. (pessoa física)
FR
Y. C. (pessoa física)
IPC Classification
Priority claims
FR
83/15 040 · 09/20/1983
FR
83/15 041 · 09/20/1983
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
06/23/1987
RPI 870
#4.1
06/02/1987
RPI 867
#3.1
08/13/1985
RPI 773
#2.1
11/27/1984
RPI 736
#21.1
Patente extinta em 19/09/99
07/08/2008
RPI 1957
#16.1
12/26/1990
RPI 1047
#13.1
09/25/1990
RPI 1034
#9.1
06/12/1990
RPI 1022
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.