Concessão da patente
#16.1
06/26/1984
RPI 714
The letters patent expired on 05/24/1994: 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: 06/26/1984. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
C. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/26/1984
RPI 714
#13.1
04/24/1984
RPI 705
#9.1
01/03/1984
RPI 689
#6.1
08/09/1983
RPI 668
#6.1
01/11/1983
RPI 638
03/16/1982
RPI 595
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C23F 7/10.
03/27/2018
RPI 2464
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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