Solicitação de exame técnico
#4.1
10/11/1988
RPI 938
Application data
Number
PI8702130Type
Filing
Publication
The patent was granted on 06/29/1993 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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
NGK Insulators, Ltd.
JP
Inventors
H. S. (pessoa física)
JP
T. M. (pessoa física)
JP
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10/11/1988
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