Concessão da patente
#16.1
08/25/1987
RPI 879
Application data
Number
PI8401957Type
Filing
Publication
The patent was granted on 08/25/1987 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
INST FRANCAIS DU PETROLE [FR]
Inventors
B. I. (pessoa física)
B. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
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