Deferimento
#9.1
10/03/1989
RPI 989
Application data
Number
PI8305064Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
Cerâmica e Velas de Ignição NGK do Brasil Ltda
SP, BR
Inventors
M. Y. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
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RPI 989
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