Concessão da patente
#16.1
08/25/1987
RPI 879
The letters patent expired on 04/18/1995: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
LUBRIZOL CORP
Inventors
F. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
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05/05/1987
RPI 863
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RPI 805
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08/28/1984
RPI 723
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09/13/1983
RPI 673
02/01/1983
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07/13/1982
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04/18/1995
RPI 1272
From the same holder
Same category
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