Concessão da patente
#16.1
04/26/1988
RPI 914
The letters patent expired on 04/25/1995: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
LUBRIZOL CORP
Inventors
F. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
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