Solicitação de exame técnico
#4.1
08/30/1988
RPI 932
Application data
Number
PI8601789Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
Hitachi, Ltd., companhia japonesa
JP
Inventors
K. M. (pessoa física)
JP
M. O. (pessoa física)
JP
Y. S. (pessoa física)
JP
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