Concessão da patente
#16.1
10/25/1983
RPI 679
The letters patent expired on 06/21/1994: 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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
C. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
08/30/1983
RPI 671
#9.1
04/05/1983
RPI 650
#6.1
06/29/1982
RPI 610
#4.1
12/22/1981
RPI 583
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B05B 5/02.
03/27/2018
RPI 2464
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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