Anuidade - prazo legal encerrado
#18.2
06/14/1988
RPI 921
The patent was granted on 12/27/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
Inventors
I. E. (pessoa física)
GB
IPC Classification
Priority claims
US
825214 · 08/19/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
06/14/1988
RPI 921
#16.1
12/27/1983
RPI 688
#13.1
11/08/1983
RPI 681
#9.1
07/12/1983
RPI 664
#6.1
11/30/1982
RPI 632
12/22/1981
RPI 583
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 135/00; A01N 9/20; C07C 161/00.
03/27/2018
RPI 2464
From the same holder
Same category
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