Solicitação de exame técnico
#4.1
09/29/1987
RPI 884
Application data
Number
PI8501889Type
Filing
Publication
The patent was granted on 12/29/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Institut Français du Petrole
FR
Inventors
D. P. (pessoa física)
FR
G. P. (pessoa física)
FR
L. B. (pessoa física)
FR
M. B. (pessoa física)
FR
IPC Classification
Priority claims
FR
84/06.278 · 04/20/1984
FR
84/15.641 · 10/10/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/29/1987
RPI 884
#3.1
12/24/1985
RPI 792
#2.1
07/02/1985
RPI 767
#18.2
05/21/1996
RPI 1329
#16.1
12/29/1992
RPI 1152
#13.1
10/20/1992
RPI 1142
#15.11
08/11/1992
RPI 1132
#9.1
05/26/1992
RPI 1121
#6.1
07/23/1991
RPI 1077
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.