Solicitação de exame técnico
#4.1
03/07/1989
RPI 959
Application data
Number
PI8707418Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.
Applicants
Hitachi, Ltd
JP
Inventors
K. K. (pessoa física)
JP
T. S. (pessoa física)
JP
T. K. (pessoa física)
JP
T. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/07/1989
RPI 959
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Patente extinta em 31/07/2002
07/29/2008
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11/29/1994
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#13.1
10/18/1994
RPI 1246
#9.1
06/14/1994
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11/03/1993
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