Anuidade - prazo legal encerrado
#18.2
06/14/1988
RPI 921
The patent was granted on 08/28/1984 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
KUREHA CHEMICAL IND CO LTD
Inventors
H. K. (pessoa física)
N. Y. (pessoa física)
O. Y. (pessoa física)
U. Y. (pessoa física)
W. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
06/14/1988
RPI 921
#16.1
08/28/1984
RPI 723
#13.1
05/15/1984
RPI 708
#9.1
01/31/1984
RPI 693
#6.1
08/16/1983
RPI 669
01/26/1982
RPI 588
From the same holder
Same category
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