Solicitação de exame técnico
#4.1
11/08/1988
RPI 942
Application data
Number
PI8606367Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 11/08/1988. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
L. L. (pessoa física)
BR
L. N. (pessoa física)
BR
S. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/08/1988
RPI 942
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Procedimento automático de reclassificação. A classificação IPC anterior era C01B 33/28.
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