Concessão da patente
#16.1
03/29/1988
RPI 910
The letters patent expired on 11/30/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
NIPPON OIL CO LTD
Inventors
H. T. (pessoa física)
K. K. (pessoa física)
K. N. (pessoa física)
M. K. (pessoa física)
M. Y. (pessoa física)
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1988
RPI 910
#13.1
09/15/1987
RPI 882
06/23/1987
RPI 870
08/13/1985
RPI 773
09/25/1984
RPI 727
#12.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
11/10/1981
RPI 577
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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