Solicitação de exame técnico
#4.1
02/14/1989
RPI 956
The letters patent expired on 08/15/1995: 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: 02/14/1989. We update with every new RPI gazette, published weekly.
Applicants
Cerâmica e Velas de Ignição NGK do Brasil Ltda
SP, BR
Cerâmica e Velas de Ignição Ngk do Brasil S/A
SP, BR
Inventors
M. Y. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/14/1989
RPI 956
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