Solicitação de exame técnico
#4.1
08/23/1988
RPI 931
Application data
Number
PI8603903Type
Filing
Publication
The patent was granted on 10/26/1993 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
I. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
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