Conhecimento de parecer técnico
#7.1
03/08/1988
RPI 907
The letters patent expired on 07/26/1994: 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: 03/08/1988. We update with every new RPI gazette, published weekly.
Applicants
Ishihara Sangyo Kaisha Ltd.
JP
Inventors
N. S. (pessoa física)
JP
R. N. (pessoa física)
JP
T. H. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
03/08/1988
RPI 907
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12/22/1987
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11/04/1986
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07/26/1994
RPI 1234
#16.1
03/26/1991
RPI 1060
#15.11
02/26/1991
RPI 1056
#13.1
12/26/1990
RPI 1047
#9.1
09/11/1990
RPI 1032
#7.1
04/03/1990
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