Deferimento
#9.1
10/03/1989
RPI 989
Application data
Number
PI8302914Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Societe Chimique Des Charbonnages S.A.
FR
Inventors
A. H. (pessoa física)
FR
L. G. (pessoa física)
FR
IPC Classification
Priority claims
FR
82 09632 · 06/03/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/03/1989
RPI 989
#6.1
03/28/1989
RPI 962
#15.11
09/27/1988
RPI 936
#6.1
08/16/1988
RPI 930
09/22/1987
RPI 883
#4.1
06/03/1986
RPI 815
#3.1
02/07/1984
RPI 694
#2.1
07/19/1983
RPI 665
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08F 210/16; C08J 3/24; H09B 3/44.
03/27/2018
RPI 2464
#21.1
Patente extinta em 01/06/98
07/01/2008
RPI 1956
#20.1
04/21/1992
RPI 1116
#16.1
05/29/1990
RPI 1020
#13.1
02/01/1990
RPI 1004
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.