Anuidade - prazo legal encerrado
#18.2
06/14/1988
RPI 921
The patent was granted on 01/31/1984 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
E. H. (pessoa física)
GB
K. W. (pessoa física)
GB
W. H. (pessoa física)
GB
IPC Classification
Priority claims
GB
43081/77 · 10/17/1977
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
06/14/1988
RPI 921
04/17/1984
RPI 704
#16.1
01/31/1984
RPI 693
#13.1
11/16/1983
RPI 682
#9.1
07/19/1983
RPI 665
#6.1
01/11/1983
RPI 638
12/22/1981
RPI 583
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 121/66; A01N 5/00; A01N 9/20.
03/27/2018
RPI 2464
From the same holder
Same category
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