Indeferimento
#9.2
12/28/1982
RPI 636
The application was refused by the INPI on 12/28/1982. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 12/28/1982. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
No inventors listed.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.2
12/28/1982
RPI 636
#7.1
03/16/1982
RPI 595
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C01B 31/00.
03/27/2018
RPI 2464
From the same holder
Same category
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