Solicitação de exame técnico
#4.1
10/31/1989
RPI 993
Application data
Number
PI8704948Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
N. L. (pessoa física)
BR
R. G. (pessoa física)
BR
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