Concessão da patente
#16.1
11/29/1983
RPI 684
The patent was granted on 11/29/1983 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
Hitachi, Ltd.
JP
Inventors
H. N. (pessoa física)
JP
T. O. (pessoa física)
JP
Y. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
09/27/1983
RPI 675
#9.1
05/31/1983
RPI 658
#6.1
08/24/1982
RPI 618
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12/01/1981
RPI 580
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era H02P 7/62.
03/27/2018
RPI 2464
#18.2
01/28/1992
RPI 1104
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